Math 8 - Quarter 1 Review

The expression 2³ x 2⁴ is equivalent to

• 2¹²

• 4⁷

• 4¹²

• 2⁷

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Simplify 10x⁰

• 10

• 1

• 0

• 5

Tags

CCSS.6.EE.A.1

Write the number 32,000,000 in scientific notation.

• 3.2 x 10⁷

• 0.32 x 10⁸

• 32 x 10⁶

• 3.2 x 10⁶

Tags

CCSS.6.EE.A.1

Find the quotient: 

 $8\times10^5\div4\times10^3$  

•  $2\times10^3$  

•  $4\times10^2$  

•  $2\ \times10^2$  

•  $2\times10^8$  

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.2

The number 0.000000345 written in scientific notation is 3.45 x 10ⁿ. What is the value of n?

• 6

• -6

• 7

• -7

Tags

CCSS.6.EE.A.1

Solve for x: 2x - 6 = 3x + 12

• 18

• -18

• 3

• 1

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Translate: twice the sum of a number and 12 is 50

• 2(x + 12) = 50

• 2x + 12 = 50

• 12 + 2x = 50

• x + 12 = 50

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Solve for x:

 $\frac{1}{2}\left(4x+12\right)=2x\ -\ 5x\ -9$  

• 0

• -3

• 3

• 8

Tags

CCSS.8.EE.C.7B

The length of a rectangle is 5 more than twice its width. If the perimeter of the rectangle is 82 cm, find its length and its width.

• 18 cm and 23 cm

• 18 cm and 41 cm

• 12 cm and 29 cm

• 12 cm and 17 cm

Tags

CCSS.8.EE.C.8C

The perimeter of the triangle is equal to the perimeter of the square. Which equation below could be used to find the value of x?

• 12x = x + 2

• 12x = 2x + 4

• 12x = 4x + 8

• 12x = 2x + 8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7