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Big Ideas Math: Modeling Real Life, Grade 7

BI

Big Ideas Math: Modeling Real Life, Grade 7 View details

Cumulative Practice

Exercise 2 Page 121

Substitute 0 for c and - 6 for d in the expression.

- 9

We are given an expression and asked to evaluate it for c = 0 and d = - 6. cd-d^2/4 This means that we should substitute 0 for c and - 6 for d in our expression. Let's do it!

cd-d^2/4

c= 0, d= - 6

0( - 6)-( - 6)^2/4

Use the Zero Product Property

0-(- 6)^2/4

Calculate power

0-36/4

▼

Simplify

Subtract term

- 36/4

MoveNegNumToFrac

Put minus sign in front of fraction

- 36/4

Calculate quotient

- 9

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