Topic 13 Test Review Algebra

Create an algebraic expression that represents 8 more than z

• z - 8

• z + 8

• 8 - z

Tags

CCSS.6.EE.A.2A

What is a variable in Algebra?

• Something that changes

• An unknown value

• An equation

• A numeric expression

Tags

CCSS.6.EE.A.2B

What is an algebraic expression made of?

• Numbers and operations

• Numbers and multiplication

• Addition and multiplication

• Numbers and variables

Tags

CCSS.6.EE.A.2B

The product of 8 and m

• 8m

• m8

• m + 8

• 8 +  m

Tags

CCSS.6.EE.A.2A

If you multiply a number by 6 and then add 4, the result is 40. What is the number?

• 4

• 5

• 6

• 7

Answer explanation

To find the number, subtract 4 from 40 to get 36. Then divide 36 by 6 to get the number, which is 6. Therefore, the correct number is 6.

Tags

CCSS.7.EE.B.4A

If the sum of two numbers is 20 and their difference is 4, what are the numbers?

• 8 and 12

• 10 and 10

• 11 and 9

• 12 and 8

Answer explanation

The correct numbers are 8 and 12 because when you add them, you get 20 (8 + 12 = 20) and when you subtract them, you get 4 (12 - 8 = 4).

Tags

CCSS.8.EE.C.8C

• 7

• 5

• 11

• 3

Answer explanation

To solve the equation, add 5 to both sides to isolate x. This gives 3x = 21. Then divide by 3 to find x = 7. Therefore, the correct answer is 7.

Tags

CCSS.7.EE.B.4A

5 less than the product of 6 and n

• 5 - 6n

• 6n + 5

• 6n - 5

• 5 + 6n

Tags

CCSS.6.EE.A.2A

If y = 15, evaluate the following expression: 20 + y

• 5

• 3

• 20/15

• 35

Tags

CCSS.6.EE.A.2C

Evaluate t/13 if t =65

• 52

• 845

• 5

• 78

Tags

CCSS.6.EE.A.2C