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McGraw Hill Glencoe Algebra 2, 2012

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McGraw Hill Glencoe Algebra 2, 2012 View details

1. Expressions and Formulas

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Exercise 29 Page 8

Substitute 8 for x and - 2 for y.

544

Practice makes perfect

To evaluate the given expression for x= 8 and y= - 2, we should substitute these values into the expression and simplify as much as possible.

x^3+2y^4

x= 8, y= - 2

8^3+2( - 2)^4

Calculate power

512+2( - 2)^4

NegBaseToPosPow

(- a)^4 = a^4

512+2(16)

Multiply

512+32

Add terms

544

Subchapter links

Check Your Understanding p.7

Practice and Problem Solving p.7-9

H.O.T. Problems p.9

Standardized Test Practice p.10

Spiral Review p.10

Skills Review p.10