Common Core Algebra

What value is the lower quartile?

• 66

• 58

• 60

• 64

• 53.5
• 48
• 49
• 48.6

What is the median of the data?

• 200

• 100

• 90

• 140

What is the minimum value?

• 64

• 58

• 66

• 60

Tags

CCSS.3.MD.B.4

If the sum of two numbers is 20 and their difference is 4, what are the numbers?

• 8 and 12

• 10 and 10

• 11 and 9

• 12 and 8

Answer explanation

The correct numbers are 8 and 12 because when you add them, you get 20 (8 + 12 = 20) and when you subtract them, you get 4 (12 - 8 = 4).

Tags

CCSS.8.EE.C.8C

If you multiply a number by 6 and then add 4, the result is 40. What is the number?

• 4

• 5

• 6

• 7

Answer explanation

To find the number, subtract 4 from 40 to get 36. Then divide 36 by 6 to get the number, which is 6. Therefore, the correct number is 6.

Tags

CCSS.7.EE.B.4A

What is the interquartile range (IQR) of the data set?

• 20

• 25

• 5

• 10

What is the IQR of the Cruisers?

• 4

• 6

Solve for x: 4x+8=52

• 5

• 13

• 11

• 15

Tags

CCSS.7.EE.B.4A

Which of the following are true?

• > 2

• 5 ≤ 5

• -9 > -10

• -10 < -9

• 5 < 5

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B