Answers AG Q1 Keystone Algebra 1 Block 26-27 DDiamond Expanding ExpressionsQuestion 2

2

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Expanding Expressions

Question 2 • (AG Q1) Keystone Algebra 1 Block: 26-27 (DDiamond)

Evaluate the following expression for x = 2.-36.8 + 9.2x

Answer

A

-55.2

B

-18.4

C

18.2

D

55.2

Explanation

Substitute 2 for x: −36.8 + 9.2(2). First, 9.2 × 2 = 18.4; then −36.8 + 18.4 = −18.4. The correct choice is B, −18.4.

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