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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 30 Page 8

Substitute 8 for x and 0.4 for z.

31.36

Practice makes perfect

To evaluate the given expression for x= 8 and z= 0.4 we should substitute these values into the expression and simplify as much as possible.

(x-6z)^2

x= 8, z= 0.4

( 8-6( 0.4))^2

Multiply

(8-2.4)^2

Subtract term

(5.6)^2

Calculate power

31.36

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