Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
2. The Percent Proportion
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Exercise 7 Page 245

Substitute - 15 for a and - 5 for b in the expression.

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Practice makes perfect
To evaluate the given expression for a = - 15 and b = - 5, we should substitute these values into the expression and simplify as much as possible. Let's do it!
b^2/a+5
( - 5)^2/- 15+5
25/- 15+5
25/- 10
- 25/10
- 25Ă· 5/10Ă· 5
- 5/2
â–Ľ
- 4+1/2
- (4/2+1/2)
- (2+1/2)
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