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.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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