Math 7 Unit 1 to 5 Review

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

What inequality does the number line graph represent. 

• x < 2
• x > 2
• x ≥ 2
• x ≤ 2

Which is the solution of 
-6a ≥ -36

• a ≥ 6
• -6 ≥ a
• a ≤ 6
• 6 ≤ a

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10³
• .5 x 10³

Express the following in scientific notation:
.000045

• 4.5 x 10^-5
• 45 x 10^-6
• 4.5 x10⁵
• 45 x 10⁶

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

Tags

CCSS.8.EE.A.3

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

In a video store, a DVD that sells for $15 is marked 10% off. What is the amount of discount?

• 1.00
• 1.50
• 16.50
• 13.50

Regular price: $174. Discount: 40%. Find the sale price. Round to nearest cent if necessary.

• $104.40
• $140.40
• 104.4
• 69.6