A furnace repair person charges an initial fee of $80 plus $30 per hour to do repairs. After how many hours would the cost of the repair be at least $320?

• 6 hours

• 7 hours

• 8 hours

• 9 hours

Solve the equation.

• z = 1

• z = -1, z = -5

• z = 1, z = - 5

• z = -5

Which compound inequality is represented by the graph?

• -1 < x - 1 < 4

• -1 < x + 1 < 4

• -2 < x - 1 < 3

• -2 < 2x < 3

Solve the equation. 10 (x -1) = -2x + 62

• 6

• -6

• 12

• 4

Write an equation in slope intercept form.

• y = -3x + 3

• y = 3x - 3

• y = -3/2x + 3

• y = 3/2x + 3

Describe the transformations for this graph compared to the parent graph.

• flipped, 1 unit down, stretched

• flipped, 1 unit right, stretched

• flipped, 1 unit left, stretched

• flipped, 1 unit up, stretched

Determine the number of solutions to the equation.

• x = -6

• y = 6

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.8B

-6x + 5 = -6x + 5

• no solution

• two solutions

• one solution

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

Which linear function f has the values f(0) = 2 and f (-1) = 0?

• f(x) = -2x + 2

• f(x) = 2x + 2

• f(x) = 1/2x - 2

• f(x) = -1/2x - 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which of the following is the equation of the line that passes through the point (1, 2) and has a slope of 2?

• y + 2 = 2 (x + 1)

• y - 2 = 2 (x + 1)

• y - 2 = 2 (x - 1)

• y - 1 = 2 (x - 1)