Chapter 8 Test Review

What is the solution to the equation 4.5x = –36.9?

• x = -8.2
• x = -1.2
• x = -32.4
• x = 41.4

Carole sewed 32 sequins on a dress in  $\frac{2}{5}$  hour. At this rate, how many sequins could she sew in one hour?

• 12 sequins

• 64 sequins

• 80 sequins

• 160 sequins

The solution to which equation is graphed at –5 on the number line?

• 3.6x – 2.25 = –15.75

• –2.4x – 10.25 = 1.75

• –2.1x + 6.45 = 13.95

• 1.8x – 4.45 = 4.55

An annual pass to an amusement park costs $87.95 per person. If the park makes $52,770 from the sale of passes, which equation can you use to find the total number of annual passes purchased?

• 87.95 + p = 52,770
• 87.95p = 52,770
• 87.95 – p = 52,770
• 52,770p = 87.95

Of the following equations, which has the correct solution?

• 5x + 7 = 3; x = –2
• 20x – 4 + 10 = 6; x = – 1/2
• 10x – 2x – 5 = –1; x = 1/2
• 4/7 x – 4 = 2; x = 1/2

The perimeter of the triangle shown is 24 meters. What is the length of the longest side of the triangle?

• 2 meters

• 6 meters

• 8 meters

• 10 meters

Solve 0.5(–6x + 12) = 9.

• x = -3
• x = -1
• x = 1
• x = 3

An artist creates 8 identical ceramic bowls. The bowls contains some glass and 59.2 pounds of clay. The artist uses a total of 73.6 pounds of clay and glass to make the bowls. Each bowl contains how many pounds of glass?

• 1.4 pounds
• 1.8 pounds
• 11.2 pounds
• 14.4 pounds

Four students solved the equation 3/5a – 4 = 2/5a – 6, but had four different solutions. What is the correct solution to the equation?

• a = -2
• a =7/12
• a = -10
• a = 50

Five times the quantity s + 6 equals three times the quantity s – 2. What value of s makes this sentence true?

• s = -18
• s = -12
• s = 8
• s = 12