Thursday, December 16, 2010

Solving algebraic statements such as make the sentence y=x^2 + 2x true when x Is -3, -3, 1, and 2

Make the sentence y = x^2 + 2x true when x is -3, -1, 1, and 2.

Translate this into a "Given" statement and four "If" statements.

This is an "If - ish" problem, M. says.

Given y = x^2 + 2x

If x = -3, then find y
y = -3^2 + (2 times -3)
y = (-3 times -3) + (-6)
y = 9 + (-6)
y = 3

What is the "Given?"
What are the "If" statements?

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