Math 8 1st 9 Weeks Warm-Up Review

The square root of a number is 9. What is the other square root?

• -9

• -3

• 3

• 81

A square acre of land is 4840 square yards. Between which two integers is the length of one side?

• between 24 and 25 yards

• between 69 and 70 yards

• between 242 and 243 yards

• between 695 and 696 yards

Tags

CCSS.7.EE.B.3

Which of the following is the number 90 written in scientific notation?

Tags

CCSS.8.EE.A.3

• 10,085

• 1.0085

• 0.00010085

• 0.000010085

Tags

CCSS.8.EE.A.3

Which of the following numbers is rational but NOT an integer?

• -9

• -4.3

• 0

• 3

Kate's heart beats 288 times in 4 minutes. Which equation represents the number of times her heart beats per minute?

• y=288x

Tags

CCSS.7.RP.A.1

Which equation represents a nonproportional relationship?

• y=-3x

Tags

CCSS.7.RP.A.2D

• 3

• -3

• 2

• -2

• 2

• 3

Tags

CCSS.7.RP.A.2D

• 9

• 13

• 4

• 3

Tags

CCSS.7.NS.A.3