Chapter 8 Expression Review

Simplifying Expressions

100

-4a + 14 + 7a - 9

3a + 5

200

7 + 3z - 8 - 3z

-1

300

-5 - 7x - 3 - 7x

-14x - 8

400

-2 + 5c - 8 - 12c

-7c -10

500

-2.5w + 17 + 8.6w - 25

6.1w - 8

Distribute & Simplify

100

2(-4x + 5)

-8x + 10

200

-5(-4 + 3a)

20 - 15a

300

-2(4c -2)

-8c + 4

400

1.5(2.2y + 3.4)

3.3y + 5.1

500

-3(7.6y - 4.8)

-22.8y + 14.4

Write the Algebraic Expression

100

Triple Amy's age, a

3a

200

The quotient of a number, x, and 7

x/7

300

The number of bacteria, b, doubled

2b

400

3 less than the sum of x and 10

x + 10 -3 

(x + 10) -3

500

Half of a number, n, less 12

h/2 -12

Area & Perimeter

100

Find the area of a parallelogram with a base of 14 cm and a height of 3 cm.

42 sq. cm.

200

Find the area of a triangle with a height of 5 in. and a base of 12 in.

30 sq. in.

300

Find the area of a trapezoid with a height of 4 cm, and a base of 3 cm and another base of 6 cm.

18 cm

400

What is the base length if the volume of the cube is 27 cubic inches?

3 inches

500

Find the perimeter of a rectangle with side lengths of x + y and 3x

8x + 2y

Volume

100

Find the volume of a rectangular prisms with the following dimensions; length 4 mm, width 2.5 mm, and height is 8 mm

80 cubic mm

200

Find the volume of a cube with a height of 5 mm.

125 cubic mm

300

Find the volume of a triangular prism with a base of 4 in., a height of 6 in. and a length of 10 in.

120 cubic inches

400

Find the dimensions of a cube with a volume of 64 cubic cm.

4 cm

500

Find the dimensions of a cube with a volume of 216 cubic cm.

6 cm