Using Equations to Find Graphs

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Use these equations for Function i to answer the next three questions:
Standard Form:
i(x) = x2  –  5x
Intercept Form:
i(x) = x(x - 5)

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What is the y-intercept for Function i? (Write as an ordered pair)

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Use these equations for Function j to answer the next three questions:
Standard Form:
j(x) = -x2 + 5x
Intercept Form:
j(x) = -x(x – 5)

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Use these equations for Function k to answer the next three questions:
Standard Form:
k(x) = x2 + 4x + 4
Intercept Form:
k(x) = (x + 2)(x + 2)

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Based on what you have learned, graph the following functions on the coordinate plane.

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