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tangare [24]
3 years ago
10

Identify the variation as direct, inverse, joint or combined. A = r²

Mathematics
2 answers:
atroni [7]3 years ago
6 0

The answer is: Direct variation.

The explanation for this problem is shown below:

1. In direct variation, when a quantity x varies directly as another quantity y, the value of the quantity x increases when y increases, and decreases when y decreases.

2. Based on this information, let's see the expression given in the problem:

A=r^{2}

3. As you can see, if you give values to r^{2}, the value of A will have a direct variation. When r^{2} increases, A increases, and when it decreases A decreases.

myrzilka [38]3 years ago
4 0

Answer : Direct Variation

Question :

Identify the variation as direct, inverse, joint or combined. A = \pi r^2

We know direct variation is y = kx

Where k is the constant of proportionality

When value of x increases then y also increases. when x value decreases then y value decreases.

The value of y depends on value of x It means y is directly proportional to x.

Hence A = \pi r^2 is a direct variation.


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