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-6(12) - 6(-8); -72 + 48 = -24

$65.60; 4(16 + 0.4) → 64 + 1.6 = 65.6

1

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4 (8s) +

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0.5(a) + 0.5 (-6)

-2(r) - 2(-8)

3(14 + 20 + 6); 3(14) + 3(20) + 3(6); $120

13x - 7y - 4; coefficients: 13 and -7; constant: -4

5z - g; coefficients: 5 and -1

16

-24x + 7

5x + 10

2(5x - 2) + 2(4x + 7); (18x + 10) ft

Use the Distributive Property to write each expression as an equivalent expression. Then evaluate the expression. 1. 2

− 5 (s + 20)

2. -6(12 - 8)

3. Molly bought four rose bushes for $16.40 each. Use mental math to find the total cost of the bushes. Justify your answer by using the Distributive Property.

Use the Distributive Property to write each expression as an equivalent algebraic expression. 4. 1

− 4 (8s + 16)

5. 0.5(a - 6)

6. -2(r - 8)

7. Carson is making up tool kits to give as holiday gifts. Each tool kit includes a $14 hammer, a $20 screwdriver, and a $6 measuring tape. Write two equivalent expressions for the total cost of 3 tool kits. Then find the total cost.

Simplify each expression. Identify the coefficients and constants in each expression. 8. 4x + 9x - 4 - 7y

9. 12z - 12g + 11g - 7z

Add or subtract. Use models if needed. 10. (7x + 8) + (-7x + 8)

11. (-4x + 2) - (20x - 5)

12. (x + 7) + (4x + 3)

13. A rectangle has a length of (5x - 2) feet and a width of (4x + 7) feet. Write and simplify a linear expression for the perimeter.

Chapter Quiz

160 Math Accelerated • Chapter 7 Algebraic Expressions

Program: Pre-Algebra

Vendor: Aptara

Component: C07_AYR

Grade: AM

PDF_Pages

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