Problems With Square Root

This is the symbol of:

• square root

• cube root

• ratio (division)

• percentage

Which of the following are perfect squares? (check all that apply)

• 36

• 8

• 50

• 81

• 90

Tags

CCSS.8.EE.A.2

49 is . . .

• a perfect square

• not a perfect square

Tags

CCSS.6.EE.A.1

The area of a square painting is 81 cm². What is the side length of the painting?

• 40.5 cm

• 162 cm

• 6,561 cm

• 9 cm

Tags

CCSS.8.EE.A.2

The square root of 225 is

• rational

• irrational

Tags

CCSS.8.NS.A.1

What does this symbol represent?

• square root

• cube root

• divide by 2

• divide by 3

Valencia, Saralyn, and Emily are solving math problems. They need to determine the approximate value of the square root of 47. Saralyn insists the value is closer to 7, while Emily is sure it is closer to 8. Valencia thinks the value is closer to 6. Who do you agree with?

• Saralyn

• Emily

• Valencia

Tags

CCSS.8.NS.A.2

A square poster has an area of 81 square inches. What is the length of each side of the square?

• 3 inches

• 9 inches

• 20.25 inches

• 40.5 inches

Tags

CCSS.8.EE.A.2

Is 64 a perfect square, perfect cube, both, or neither?

• perfect square

• perfect cube

• both

• neither

Tags

CCSS.8.EE.A.2

If p varies directly as the square of q and inversely as the square root of r, and p = 60 when q = 6 and r = 81, find p when q = 8 and r = 144.

• 70

• 80

• 90

• 100