Quiz Direct Variation

What is the constant of variation (m) in this graph?

What is the y-intercept in this graph?

What is the graph of f(x) = 2x?

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What is the graph of f(x)= 3/4x?

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If y = 15 when x =12, what is the value of y when x = 32?

If y = -11 when x = 6, what is the value of x when y = 44?

• -24

• 24

• 42

• -42

slope = constant of variation

What is the constant of variation of the function f(x) = -4x?

• 3/4

• -3/4

• 0

• doesn't exist