闪卡自测
What is direct proportion?
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闪卡 1
问题
What is direct proportion?
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答案
Direct proportion means that as one variable goes up the other goes up by the same factor.
闪卡 2
问题
True or False? If and are directly proportional, then will always be the same.
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答案
True. If and are directly proportional, then will always be the same.
闪卡 3
问题
What is used to represent when working with direct proportion?
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答案
When working with direct proportion, is used to represent the constant of proportionality that connects and . when and are directly proportional.
闪卡 4
问题
What does it mean for to be directly proportional to the square of ?
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答案
If is directly proportional to the square of , it means that .
闪卡 5
问题
True or False? The graph of two directly proportional variables is a straight line.
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答案
True. The graph of two directly proportional variables is a straight line.
闪卡 6
问题
True or false? When solving a direct proportion problem, one of the first things you should do is find the value of the constant of proportionality .
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答案
True. When solving a direct proportion problem, one of the first things you should do is find the value of the constant of proportionality .
闪卡 7
问题
What is inverse proportion?
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答案
Inverse proportion means as one variable goes up the other goes down by the same factor.
闪卡 8
问题
What is used to represent when working with inverse proportion?
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答案
When working with inverse proportion, is used to represent the constant of proportionality that connects and . when and are inversely proportional.
闪卡 9
问题
True or False? If is inversely proportional to , then will always be the same.
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答案
False. If is inversely proportional to , then will always be the same.
闪卡 10
问题
How would you describe the relationship between and if ?
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答案
If , it means that is inversely proportional to .
闪卡 11
问题
What is the equation for in terms of if is inversely proportional to the square of ?
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答案
If is inversely proportional to the square of , then .
闪卡 12
问题
True or False? The graph of two inversely proportional variables is a straight line.
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答案
False. The graph of two inversely proportional variables is a not a straight line.
闪卡 13
问题
What is the formula for in terms of if is inversely proportional to the cube root of ?
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答案
If is inversely proportional to the cube root of , then . Using laws of indices that can also be written as or .