Mathematics
Grade5
Easy
Question
The equation for direct proportionality is y = k x, which shows as x increases, y also _____.
- Increases
- Decreases
- Does not change
- Permanent
Hint:
Direct proportion is a mathematical comparison between two numbers where the ratio of the two numbers is equal to a constant value.
The correct answer is: Increases
Here, we have to fill the blank.
As we know that , The definition of direct proportion states that "When the relationship between two quantities is such that if we increase one, the other will also increase, and if we decrease one the other quantity will also decrease, then the two quantities are said to be in a direct proportion".
Therefore, if x increases than y also increases with same rate.
Hence, the correct option is (a).
The direct proportion formula says if the quantity y is in direct proportion to quantity x, then we can say y = kx, for a constant k. y = kx is also the general form of the direct proportion equation.
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