questions stringlengths 37 1.22k | reasoning stringlengths 0 3.56k ⌀ | answers stringlengths 4 138 |
|---|---|---|
This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? Here are the choices:
A. 1
8
of a full turn
B. 1
6
of a full turn
C. 1
4
of a full turn
D. 1
7
of a full turn | null | B: 1
6
of a full turn. |
What meaning or function is usually associated with this web interface symbol? Here are the choices:
A. Download
B. Upload
C. RSS feed
D. Tip/Idea | null | C: RSS feed. |
What kind of computer component do you see here? Here are the choices:
A. Power Supply Unit
B. TV Tuner Card
C. PATA Cable
D. Solid-state Drive | null | B: TV Tuner Card. |
\line{JL} and \line{MO} are parallel lines. Which angles are alternate interior angles? Here are the choices:
A. \angle{ONK} and \angle{MNP}
B. \angle{ONK} and \angle{MNK}
C. \angle{ONK} and \angle{ONP}
D. \angle{ONK} and \angle{JKN} | null | D: \angle{ONK} and \angle{JKN}. |
Function A and Function B are linear functions. Which statement is true? Here are the choices:
A. The y-intercept of Function A is greater than the y-intercept of Function B.
B. The y-intercept of Function A is less than the y-intercept of Function B. | null | A: The y-intercept of Function A is greater than the y-intercept of Function B.. |
Mitch has the following data: If the median is 9, which number could b be? Here are the choices:
A. 17
B. 6 | null | B: 6. |
Which coin is this? Here are the choices:
A. quarter
B. dollar coin
C. nickel
D. dime | null | D: dime. |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. Here are the choices... | null | C: The magnitude of the magnetic force is greater in Pair 2.. |
The first picture is a fish. Which picture is tenth? first Here are the choices:
A. sub
B. fish
C. turtle | null | C: turtle. |
What name best describes this shape? Here are the choices:
A. kite
B. quadrilateral
C. parallelogram
D. rhombus | null | D: rhombus. |
Which material is this plate made of? Here are the choices:
A. ceramic
B. concrete | null | A: ceramic. |
If you select a marble without looking, how likely is it that you will pick a black one? Here are the choices:
A. probable
B. unlikely
C. impossible
D. certain | null | B: unlikely. |
What date is 2 weeks before December 18? Here are the choices:
A. December 4
B. December 11 | null | A: December 4. |
These tiles represent the expression 2(
–
6x–3). Which expression is equivalent to 2(
–
6x–3)? Here are the choices:
A. 12x–6
B. –
12x+6
C. –
12x–6
D. 12x–3 | null | C: –
12x–6. |
Is a baseball a solid, a liquid, or a gas? Here are the choices:
A. a liquid
B. a solid
C. a gas | null | B: a solid. |
The diagram below is a model of two solutions. Each pink ball represents one particle of solute. Which solution has a higher concentration of pink particles? Here are the choices:
A. neither; their concentrations are the same
B. Solution B
C. Solution A | null | A: neither; their concentrations are the same. |
What combination of transformations is shown below? Here are the choices:
A. reflection, then translation
B. translation, then reflection
C. translation, then rotation
D. reflection, then rotation | null | B: translation, then reflection. |
Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was a dependent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Toby's da... | null | A: the number of apple slices that turned brown. |
A piece of mint chocolate costs 5 cents. Do you have enough money to buy it? Here are the choices:
A. yes
B. no | null | A: yes. |
Is f(x) continuous at x=1? Here are the choices:
A. no
B. yes | null | A: no. |
These tiles represent the expression 4+3x–9x. Which expression is equivalent to 4+3x–9x? Here are the choices:
A. –
6x+4
B. 7x–9
C. –
2x
D. 12x+4 | null | A: –
6x+4. |
The number line shows an unknown number, p. Is p+1 positive or negative? Here are the choices:
A. positive
B. negative | null | A: positive. |
Does this recipe call for more vinegar or mayonnaise? Here are the choices:
A. vinegar
B. mayonnaise | null | A: vinegar. |
What is the range of this logarithmic function? Here are the choices:
A. $\{y \mid y>-4\}$
B. all real numbers
C. $\{y \mid y \geq-4\}$
D. $\{y \mid y<-4\}$ | null | B: all real numbers. |
Which statement best describes the climate of Honolulu? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Honolulu, Hawaii, is a city in the United States. It has a tropical savanna climate. Here are the choices:
A. Win... | null | B: Winters have slightly lower temperatures than summers. Summers have less precipitation than winters.. |
Use the diagram to help you answer the question below. Which of the following is a whole number? Here are the choices:
A. 66
B. –81
C. – 5 1/9
D. –7 | null | A: 66. |
What is the range of this exponential function? Here are the choices:
A. $\{y \mid y \geq 0\}$
B. $\{y \mid y>0\}$
C. $\{y \mid y<0\}$
D. $\{y \mid y \leq 0\}$ | null | B: $\{y \mid y>0\}$. |
Look at this cube: If the side lengths are doubled, then which of the following statements about its volume will be true? Here are the choices:
A. The new volume will be 64 times the old volume.
B. The new volume will be 8 times the old volume.
C. The new volume will be 2 times the old volume.
D. The new volume will be... | null | B: The new volume will be 8 times the old volume.. |
Molly washed some vegetables. This tally chart shows how many of each type of vegetable she washed. Did Molly wash fewer pea pods or beets? Here are the choices:
A. pea pods
B. beets | null | B: beets . |
What fraction of the shapes are rectangles? Here are the choices:
A. 1/2
B. 1/4
C. 1/8
D. 1/6 | null | C: 1/8. |
Does this shape have a circle as a face? Here are the choices:
A. yes
B. no | null | B: no. |
Are these lines parallel? Here are the choices:
A. yes
B. no | null | A: yes. |
Are these shapes congruent? Here are the choices:
A. no
B. yes | null | B: yes. |
Which decimal is greater than the one shown in this diagram? Here are the choices:
A. 0.74
B. 0.72
C. 0.76
D. 0.6 | null | C: 0.76. |
Is f(x) continuous from the right at x=6? Here are the choices:
A. no
B. yes | null | A: no. |
You pay $4.81 to buy a laundry hamper costing $4.73. You receive the following change:Is this the correct amount of change? Here are the choices:
A. yes
B. no | null | A: yes. |
Are these lines intersecting? Here are the choices:
A. no
B. yes | null | B: yes. |
Look at this square: If the side lengths are doubled, then which of the following statements about its area will be true? Here are the choices:
A. The new area will be 9 times the old area.
B. The new area will be 8 times the old area.
C. The new area will be 2 times the old area.
D. The new area will be 4 times the ol... | null | D: The new area will be 4 times the old area.. |
Use the diagram to help you answer the question below. Which of the following is both a rational number and an integer? Here are the choices:
A. 9 4/5
B. 99.7
C. –117
D. 7 1/5 | null | C: –117. |
What fraction of a turn is this angle? Here are the choices:
A. 3/4
B. 1/4
C. 1 full turn
D. 1/2 | null | A: 3/4. |
Is this polygon a trapezoid? Here are the choices:
A. no
B. yes | null | A: no. |
Here are the choices:
A. <
B. =
C. > | null | A: <. |
Which angles are supplementary to each other? Here are the choices:
A. \angle{3} and \angle{2}
B. \angle{3} and \angle{4}
C. \angle{4} and \angle{2}
D. \angle{2} and \angle{1} | null | B: \angle{3} and \angle{4}. |
Two magnets are placed as shown. Will these magnets attract or repel each other? Here are the choices:
A. attract
B. repel | null | A: attract. |
How many pairs of opposite sides are parallel? Here are the choices:
A. no pairs
B. 2 pairs
C. 1 pair | null | A: no pairs. |
What shape is this? Here are the choices:
A. pyramid
B. cube | null | A: pyramid. |
Are there fewer rectangles or circles? Here are the choices:
A. circles
B. rectangles | null | A: circles. |
The graph shows a function. Is the function linear or nonlinear? Here are the choices:
A. linear
B. nonlinear | null | B: nonlinear. |
Look at this set of 9 numbers: How would the mean change if the number 64 replaced the number 91 in the set? Here are the choices:
A. increase
B. decrease
C. no change | null | B: decrease. |
How many marbles are there? Estimate. Here are the choices:
A. about 20
B. about 90 | null | B: about 90. |
Is the number of fish even or odd? Here are the choices:
A. odd
B. even | null | A: odd. |
Which property matches this object? Select the better answer. Here are the choices:
A. yellow
B. flexible | null | B: flexible. |
The number line shows an unknown number, w. Is 1+2w positive or negative? Here are the choices:
A. negative
B. positive | null | B: positive. |
Which property do these three objects have in common? Select the best answer. Here are the choices:
A. fuzzy
B. yellow
C. translucent | null | C: translucent. |
\line{SU} and \line{VX} are parallel lines. Which angles are alternate exterior angles? Here are the choices:
A. \angle{VWY} and \angle{UTR}
B. \angle{VWY} and \angle{XWT}
C. \angle{VWY} and \angle{XWY}
D. \angle{VWY} and \angle{VWT} | null | A: \angle{VWY} and \angle{UTR}. |
Look at this set of 10 numbers: How would the mode change if the number 31 were added to the set? Here are the choices:
A. increase
B. no change
C. decrease | null | B: no change. |
Does this scatter plot show a positive trend, a negative trend, or no trend? Here are the choices:
A. no trend
B. negative trend
C. positive trend | null | A: no trend. |
The number line shows an unknown number, t. Is t–1 positive or negative? Here are the choices:
A. negative
B. positive | null | A: negative. |
Which clock shows 10:55? Here are the choices:
A. Created with Snap
B. Created with Snap | null | B: Created with Snap. |
Greta is washing her cup after breakfast. The clock shows: What time is it? Here are the choices:
A. 8:55 A.M.
B. 8:55 P.M. | null | A: 8:55 A.M.. |
How has this figure been transformed? It has been... Here are the choices:
A. reflected
B. translated
C. rotated | null | A: reflected. |
The graph shows a function. Is the function linear or nonlinear? Here are the choices:
A. nonlinear
B. linear | null | A: nonlinear. |
Look at this set of 10 numbers: How would the median change if the number 83 replaced the number 92 in the set? Here are the choices:
A. no change
B. decrease
C. increase | null | A: no change. |
Identify the question that Harper's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Harper prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Harper soaked white linen fabric squares in fi... | null | B: Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?. |
These tiles represent the expression 5x+4x. Which expression is equivalent to 5x+4x? Here are the choices:
A. 9x
B. 2x+9
C. x+9
D. 9x+2 | null | A: 9x. |
Are these lines perpendicular? Here are the choices:
A. yes
B. no | null | B: no. |
What kind of triangle is this? Here are the choices:
A. equilateral
B. scalene
C. isosceles but not equilateral | null | B: scalene. |
Is this quadrilateral a rhombus? Here are the choices:
A. yes
B. no | null | A: yes. |
An environmental agency examined how many trees were planted by different organizations. Which organization planted the most trees? Here are the choices:
A. New Planet
B. Acorns to Oaks
C. Heal the Earth
D. Mission Reforestation | null | A: New Planet. |
How many ladybugs are there? Here are the choices:
A. 7
B. 2
C. 10
D. 8 | null | A: 7. |
How does h(t) change over the interval from t=4 to t=6? Here are the choices:
A. h(t) increases by 100%
B. h(t) increases by 4
C. h(t) increases by 200%
D. h(t) decreases by 4 | null | B: h(t) increases by 4. |
You pay 69¢ to buy a glass of lemonade costing 48¢. You receive the following change:Is this the correct amount of change? Here are the choices:
A. yes
B. no | null | B: no. |
Look at the coordinate plane. Which point is in Quadrant II? Here are the choices:
A. (
–
5,4)
B. (5,
–
1)
C. (4,5)
D. (
–
4,
–
1) | null | A: (
–
5,4). |
Does this passage describe the weather or the climate? Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. Yemen, a country in the Middle East, is located in the desert. It was humid in the southern part of the country on November 30 last year.... | null | A: weather. |
Is this figure a polyhedron? Here are the choices:
A. yes
B. no | null | A: yes. |
Which angle is congruent to \angle{1}? Here are the choices:
A. \angle{4}
B. \angle{2}
C. \angle{6}
D. \angle{3} | null | A: \angle{4}. |
Compare 0.65 and 0.84. Use the models to help. 0.65 ?0.84 Here are the choices:
A. >
B. <
C. = | null | B: <. |
What type of organism is commonly used in preparation of foods such as cheese and yogurt?
Here are the choices:
A. gymnosperms
B. viruses
C. protozoa
D. mesophilic organisms | Mesophiles grow best in moderate temperature, typically between 25°C and 40°C (77°F and 104°F). Mesophiles are often found living in or on the bodies of humans or other animals. The optimal growth temperature of many pathogenic mesophiles is 37°C (98°F), the normal human body temperature. Mesophilic organisms have impo... | D: mesophilic organisms. |
What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere?
Here are the choices:
A. muon effect
B. tropical effect
C. centrifugal effect
D. coriolis effect | Without Coriolis Effect the global winds would blow north to south or south to north. But Coriolis makes them blow northeast to southwest or the reverse in the Northern Hemisphere. The winds blow northwest to southeast or the reverse in the southern hemisphere. | D: coriolis effect. |
Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?
Here are the choices:
A. endothermic
B. unbalanced
C. reactive
D. exothermic | Summary Changes of state are examples of phase changes, or phase transitions. All phase changes are accompanied by changes in the energy of a system. Changes from a more-ordered state to a less-ordered state (such as a liquid to a gas) areendothermic. Changes from a less-ordered state to a more-ordered state (such as a... | D: exothermic. |
What is the least dangerous radioactive decay?
Here are the choices:
A. alpha decay
B. beta decay
C. gamma decay
D. zeta decay | All radioactive decay is dangerous to living things, but alpha decay is the least dangerous. | A: alpha decay. |
Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?
Here are the choices:
A. smoke and ash
B. magma
C. greenhouse gases
D. carbon and smog | Example 3.5 Calculating Projectile Motion: Hot Rock Projectile Kilauea in Hawaii is the world’s most continuously active volcano. Very active volcanoes characteristically eject red-hot rocks and lava rather than smoke and ash. Suppose a large rock is ejected from the volcano with a speed of 25.0 m/s and at an angle 35.... | A: smoke and ash. |
When a meteoroid reaches earth, what is the remaining object called?
Here are the choices:
A. orbit
B. meteorite
C. comet
D. meteor | Meteoroids are smaller than asteroids, ranging from the size of boulders to the size of sand grains. When meteoroids enter Earth’s atmosphere, they vaporize, creating a trail of glowing gas called a meteor. If any of the meteoroid reaches Earth, the remaining object is called a meteorite. | B: meteorite. |
What kind of a reaction occurs when a substance reacts quickly with oxygen?
Here are the choices:
A. nitrogen reaction
B. combustion reaction
C. invention reaction
D. Fluid Reaction | A combustion reaction occurs when a substance reacts quickly with oxygen (O 2 ). For example, in the Figure below , charcoal is combining with oxygen. Combustion is commonly called burning, and the substance that burns is usually referred to as fuel. The products of a complete combustion reaction include carbon dioxide... | B: combustion reaction. |
Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully?.
Here are the choices:
A. ring species
B. species complex
C. fitting species
D. surface species | Ring species Ring species demonstrate a version of allopatric speciation. Imagine populations of the species A. Over the geographic range of A there exist a number of subpopulations. These subpopulations (A1 to A5) and (Aa to Ae) have limited regions of overlap with one another but where they overlap they interbreed su... | A: ring species. |
Alpha emission is a type of what?
Here are the choices:
A. heat
B. radioactivity
C. light
D. radiation | One type of radioactivity is alpha emission. What is an alpha particle? What happens to an alpha particle after it is emitted from an unstable nucleus?. | B: radioactivity. |
What is the stored food in a seed called?
Here are the choices:
A. pollin
B. endosperm
C. membrane
D. larval | The stored food in a seed is called endosperm . It nourishes the embryo until it can start making food on its own. | B: endosperm. |
Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what?
Here are the choices:
A. much metal
B. usually metal
C. active metal
D. Trap metal | One way to keep iron from corroding is to keep it painted. The layer of paint prevents the water and oxygen necessary for rust formation from coming into contact with the iron. As long as the paint remains intact, the iron is protected from corrosion. Other strategies include alloying the iron with other metals. For ex... | C: active metal. |
What is controlled by both genes and experiences in a given envionment?
Here are the choices:
A. instincts
B. animal behaviors
C. learned behaviors
D. reflexes | Most animal behaviors are controlled by both genes and experiences in a given environment. | B: animal behaviors. |
What tells you how much of the food you should eat to get the nutrients listed on the label?
Here are the choices:
A. scoop size
B. serving size
C. regular size
D. longer size | The information listed at the right of the label tells you what to look for. At the top of the label, look for the serving size. The serving size tells you how much of the food you should eat to get the nutrients listed on the label. A cup of food from the label pictured below is a serving. The calories in one serving ... | B: serving size. |
What are used to write nuclear equations for radioactive decay?
Here are the choices:
A. trigonometric symbols
B. nuclear symbols
C. radioactive symbols
D. critical symbols | Nuclear symbols are used to write nuclear equations for radioactive decay. Let’s consider the example of the beta-minus decay of thorium-234 to protactinium-234. This reaction is represented by the equation:. | B: nuclear symbols. |
What is controlled by regulatory proteins that bind to regulatory elements on dna?
Here are the choices:
A. gene transcription
B. amino acids
C. mRNA
D. substance transcription | Gene transcription is controlled by regulatory proteins that bind to regulatory elements on DNA. The proteins usually either activate or repress transcription. | A: gene transcription. |
Boron only occurs naturally in compounds with what element?
Here are the choices:
A. oxygen
B. carbon
C. nitrogen
D. helium | Occurrence, Preparation, and Compounds of Boron and Silicon Boron constitutes less than 0.001% by weight of the earth’s crust. In nature, it only occurs in compounds with oxygen. Boron is widely distributed in volcanic regions as boric acid, B(OH)3, and in dry lake regions, including the desert areas of California, as ... | A: oxygen. |
What organ systems link exchange surfaces with cells throughout the body?
Here are the choices:
A. nervous
B. circulatory
C. vascular
D. pulmonary | 42.1 Circulatory systems link exchange surfaces with cells throughout the body. | B: circulatory. |
What occurs when the immune system attacks a harmless substance that enters the body from the outside?
Here are the choices:
A. panic attack
B. allergy
C. plague
D. nausea | An allergy occurs when the immune system attacks a harmless substance that enters the body from the outside. A substance that causes an allergy is called an allergen. It is the immune system, not the allergen, that causes the symptoms of an allergy. | B: allergy. |
Fertilization is the union of a sperm and egg, resulting in the formation of what?
Here are the choices:
A. a bacteriophage
B. a zygote
C. a nuclei
D. a cytoplasm | Fertilization is the union of a sperm and egg, resulting in the formation of a zygote. | B: a zygote. |
The plants alternation between haploid and diploud generations allow it to do what?
Here are the choices:
A. reproduce sexually and autonomously
B. reproduce asexually and biologically
C. reproduce asexually and sexually
D. reproduce asexually and simultaneously | All plants have a characteristic life cycle that includes alternation of generations . Plants alternate between haploid and diploid generations. Alternation of generations allows for both asexual and sexual reproduction. Asexual reproduction with spores produces haploid individuals called gametophytes . Sexual reproduc... | C: reproduce asexually and sexually. |
Most of the chemical reactions in the body are facilitated by what?
Here are the choices:
A. enzymes
B. carbohydrates
C. vitamins
D. proteins | Enzymes are critical to the body’s healthy functioning. They assist, for example, with the breakdown of food and its conversion to energy. In fact, most of the chemical reactions in the body are facilitated by enzymes. | A: enzymes. |
What is the termination of a pregnancy in progress called?
Here are the choices:
A. miscarriage
B. abortion
C. contraception
D. delivery | B: abortion. | |
Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water?
Here are the choices:
A. dead zones
B. fresh zones
C. hostile zones
D. inhabitable zones | Cutting down on the use of chemical fertilizers is one way to prevent dead zones in bodies of water. Preserving wetlands is also important. Wetlands are habitats such as swamps, marshes, and bogs where the ground is soggy or covered with water much of the year. Wetlands slow down and filter runoff before it reaches bod... | A: dead zones. |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.