Semester A Algebra Review

Simplify the following:  $(2+7-1)\div2^2$  

• 16

• 2

• 72.25

• 8.75

Evaluate the expression

3[ 7(14 - 2³) + 5] - 18

• 273

• 123

• -192

• 213

Simplify the expression:

-6 (z - 1)

• 6z - 6

• -6z - 6

• 6z + 6

• -6z + 6

Solve: r - 11 = 5

• 11

• 15

• 14

• 16

Solve: -3a + 8 = 14

• a = -2

• a = 2

• a = -7,5

• a = 6

Solve: 8x - 4(x + 8) = 8

• 2

• 4

• 10

• -4

Solve: 7 - 7y = -3y + 6

• x = 1/4

• x = 5

• x = 4

• x = 1/2

Write a rule: A plumber charges $50 for a house call plus $12 per hour for labor.

• C(h) = 50h + 12

• C(h) = 62h

• C(h) = 50 + 12h

• C(h) = 50 - 12h

What is f(6) for the function f(x)=3x - 8?

• -8

• -144

• 10

• Answer not listed

Find the function rule.

• y = 2x

• y = 2x + 3

• y = 3x + 3

• y = -2x + 3