The direct variation equation is the formula that models any direct variation relationship between two variables. The direct variation formula is: {eq}y=kx {/eq} This
Write the direct variation equation. y = k x Substitute the given x and y values, and solve for k . 30 = k ⋅ 6 k = 5 The equation is y = 5 x . Now substitute x = 100 and find y . y = 5 ⋅ 100 y = 500
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Since it is given that the two variables, height and age, are in direct variation, we can use the equation for direct variation: The constant of proportionality, k, is 4, the age of the plant is x
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The direct variation equation is a linear equation in two variables and is given by y = kx where k is the constant proportionality. The direct variation graph in a coordinate plane is a straight line.
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