Study Barn - If y = x2, z = x2, and w = xy, then y2 + z2 + w2 =

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If y = x², z = x², and w = xy, then y² + z² + w² =

A. x⁴ + x⁶ + x¹⁰

B. x⁴ + 2x⁵

C. x⁴ + 2x⁶

D. 2x⁹

E. 2x¹⁰

w = ys = x(x² = x²
y² + z² + w² = (x²)² + (x³)² + (x³)²
= x⁴ + x⁶ + x⁶ = x⁴ + 2x⁶

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Taken: 6 times

Added: 11/19/2008

Liked: 1 time

Taggged: Math, SAT

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Founded by OmegaMoo

This is a 20 question exam to help you study for the Math section of the SAT.

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