Quiz #6 - TSI Math Practice

Factor the following expression:

81x⁴ - 25y²

• ( 9x² - 5y ) ( 9x² - 5y )

• ( 81x² - 5y ) ( x² + 25y )

• ( 9x² - 5y ) ( 9x² + 5y )

• ( 81x² - 5y ) ( x² - 25y )

Tags

CCSS.HSA.APR.C.4

If y = x and y = 4, then what is (x + y)² ?

• 0

• 16

• 25

• 64

If xy + 12 = 6x + 7 , find y if x = 5.

• 6/5

• 5

• 9

• 30

Tags

CCSS.HSA.REI.B.3

Find what the value of x.

• 118
• 108
• 28
• 58

Tags

CCSS.7.G.B.5

A circle has a diameter of 30 ft. Find the circumference of the circle to the nearest tenth. Use 3.14 for pi

• 31.4 ft.

• 47.1 ft

• 94.2 ft

• 2826 ft.

The formula for the surface area of a rectangular prism is S=2Lw + 2Lh + 2wh, where L is the length, w is the width, and h is the height. What is the width of the prism if the surface area of a right rectangular prism is  $208\ m^2$  , the length is 8 m and the height is 4 m.

• 160 m

• 112 m

• 6 m

• 3 m

The formula for simple interest i = prt, where p is the principal, r is the rate, and t is the time. Fred earns simple interest on her savings account. He deposits $1,000 into her account and will earn $200 in simple interest at a rate of 5%. How many years will it take to earn the $200?

• 4 years

• 3 years

• 2 years

• 1 years

The length of a rectangle is  $4x^2-2x-1$  and the width of the rectangle is  $3x^2-4x\ +8$  .  Which expression represents the perimeter of the rectangle?

•  $14x^2-12x+10$  

•  $14x^2-12x+14$  

•  $7x^2-6x-9$  

•  $7x^2-6x+7$  

Tags

CCSS.HSA.APR.A.1

George drove 65 miles per hour for 4 hours and 80 miles per hour for 3 hours. How far did he drive in all?

• 260 miles

• 320 miles

• 500 miles

• 640 miles

 $7x\ +\ 3\ -\ 4x\ =\ 3\ +\ 3\left(x\ +\ 4\right)$  Solve

•  $x\ =\ -2$  

•  $x\ =\ 3$  

• No Solution

• All Real Numbers or Infinitely Many Solutions