Fall Semester Exam Review

What value of x makes this equation true?
10x + 9 = 4x - 9

• x = 0
• x = 3
• x = -3
• x = -18

Clean fast charges $2 per window plus a $15 fee. See Out charges $3 per window plus a $5 fee. When will their costs be the same?

• 2+15x=3+5x
• 2x+15=3x+5
• 2x-15=3x-15
• 2-15x=3-5x

Sue's lunch account has $25 and she spends $2.50 every day. Troy's lunch account has $50 and she spends $3.25 every day. Write an inequality that shows when Sue's account will be more than Troy's.

• 25 - 2.5d > 50 - 3.25d
• 25 - 2.5d < 50 - 3.25d
• 25 + 2.5d > 50 + 3.25d
• 25 + 2.5d < 50 + 3.25d

Tags

CCSS.7.EE.B.4B

• A
• B
• C
• D

Tags

CCSS.8.G.B.8

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

• 17 miles
• 32 miles
• 37 miles
• 40 miles

Tags

CCSS.8.G.B.8

• The top of the ladder is 8.9 ft from the ground
• The top of the ladder is 9.2 ft from the ground
• The top of the ladder is 16.5 ft from the ground
• The top o the ladder is 14.4 ft from the ground

Tags

CCSS.8.G.B.8

What is the distance between the two points? (hint: use pythagorean theorem!)

• 6.3
• 6.5
• 6.7
• 16

Point B could represent which of the following numbers?

• √24
• √30
• √35
• √42

Tags

CCSS.8.NS.A.2

Which set is in order from greatest to least?

• 15%  .45  9/10
• .45  15%  9/10
• 9/10  15%  .45
• 9/10  .45  15%

What is the scale factor used to dilate this image?

• 2
• 3
• 1/3
• 1/2