Alg. 2 MIDTERM EXAM _________

Let t = 3 and u = -5. Evaluate 3t - u².

• -19

• 31

• 34

• -16

What property is this?

7(2x+3) = (7)(2x) + (7)(3)

• Commutative

• Associative

• Additive Identity

• Distributive

Which of the following shows the MULTIPLICATIVE INVERSE:

• $\frac{2}{3}\times3=1$

• $\frac{-1}{8}\times8=-1$

• $\frac{3}{7}\times\frac{7}{3}=1$

• $\frac{3}{7}\div\frac{7}{3}=1$

Zero is a ___________.

• natural and whole number

• natural number

• whole number, integer, and rational

• irrational

 $Is\ \sqrt{2}\ irrational?$  

• Yes

• No

 $-37$  List all the classifications of numbers that apply to this real number. 

• Irrational 

• Rational, Integer, Whole

• Natural, Whole, Integer, Rational

• Rational, Integer

• Rational Number

• Irrational Number

• Integer

• Whole Number

Cheryl gets paid $8 per hour for her job at the record store and $15 for working late on Saturday. She made a total of $96 last week. Which equation models this situation?

• 96h + 15 = 8

• h/96 = 8

• 8h + 15 = 96

• 8h = 96

Solve the equation:

4 - 6x - 2= -2(3x-1)

• no solution

• infinitely many solutions or All Reals

• x = ⅓

• x = 4

 $Solve\ for\ x:\ \ -\left(x-7\right)-x=-8\left(6+x\right)+6x$  

• x = 12

• x = -16

• No Solution

• x = -10