Unit 1 Quiz Alg 1

-0.775 is a

• Irrational Number

• Whole Number

• Integer

• Rational Number

 $\sqrt{3}$  is considered a...

• Whole number

• Integer

• Irrational Number

• Rational Number

 $\pi\$  and 1.234567890... is considered a...

• irrational number

• rational number

• Natural number

• Whole number

2(1+10v)

• 2+12v
• 2+20v
• 2+9v

A matches with which property?

Type the NUMBER only of the answer.

Answer choices:

1. Commutative Property

2. Associative Property

3. Identity Property

4. Inverse Property

5. Property of Zero

6. Distributive Property

7. Reflexive Property

8. Symmetric Property

9. Transitive Property

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Simplify the following expression:
-7x +5 (1 - 8x)

• -33x + 5
• 5 + 33x
• 47x + 5
• 5 - 47x

Evaluate the following expression:
-3x² - 5x + 7 when x = -2

• 5
• 10
• 12
• 7

Evaluate the following expression:
-x - 6x + 10 when x = 5

• -20
• -25
• 25
• 20