Unit 3 Pre-Test Algebra

Integers are the set of ​ (a)   and their ​ (b)  

• whole numbers
• opposites.
• fractions
• irrational
• rational

Select the set with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 50, 75, 81, 100

• 9, 81, 100

Tags

CCSS.8.EE.A.2

• 12

• -12

• -72

• none of the above (imaginary number) 

Tags

CCSS.8.EE.A.2

What kind of number is   π   ?

• rational
• irrational
• whole
• integer

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Tags

CCSS.8.NS.A.1

4.̅6 + 6 = 10.̅6

This is an example of

• I + R = Irrational

• R + R = Rational

• I + R = Rational

Tags

CCSS.7.NS.A.1D

2.5 ⋅ 14 = 35

This is an example of

• R ⋅ R = Rational

• I + R = Irrational

• I ⋅ R = Rational

• R ⋅ R = Irrational

Tags

CCSS.6.NS.B.3

√25 ⋅ √4 = 10

This is an example of

• I ⋅ I = Irrational

• I ⋅ I = Rational

√56 ⋅ √2 = 4 √7

This is an example of

• I ⋅ I = Rational

• I ⋅ I = Irrational

0 + π = __

• 0, rational

• π, irrational

Tags

CCSS.7.NS.A.1D