Midterm Review!

Expressions

100

Evaluate the expression below when x = 2

3x + 9

15

200

Evaluate the expression below when x = -6

-9x + 12

66

300

Evaluate the following expression when x = 3

12x + 2x

42

400

Evaluate the following expression when x = -4

14x - 8x

-24

500

Evaluate the expression below when x = 9

-11x + 8x - 20

-47

Equations

100

Is 8 the solution to the following equation?

-2x = 50

No

200

Solve the equation below:

3x - 10 = 35

x = 15

300

Solve the equation below:

4x + 28 = 48

x = 5

400

Solve the equation below:

2(x + 6) = 38

x = 13

500

Solve the equation below:

3(x - 2) = 36

x = 14

Order of Operations/Simplifying

100

Which number below is the largest?

a) √25

b) 4²

c) 7²

d) √100

c) 7²

7² = 49

200

What is the first step in simplifying the expression below using the order of operations? (PEMDAS!)

8 ÷ 2 + 5² - (12 + 4)

12 + 4

Parentheses!

300

Simplify the expression below:

(14 ÷ 7) · 3² - 8

10

400

Evaluate the expression below using the order of operations:

(9 + 16) ÷ 5 - 4²

-11

500

What is the first step in simplifying the expression below using the order of operations?

6² ÷ 4 + [ 12 - (3 ⋅ 2)]

(3 ⋅ 2)

Fun

100

True or False?

8²  is the same as  8·2

False!

8² is the same as 8·8

200

Rewrite the expression below using the Commutative Property:

9 + 2 = ________________

9 + 2 = 2 + 9

300

Rewrite the expression below using the Commutative Property:

8 + 15 = ________________

8 + 15 = 15 + 8

400

Ms. Munson will plot a point on the coordinate plane whiteboard. Identify the point that she plots in (x,y) format.

:)

500

Plot the point (-4, 2) on the coordinate plane whiteboard and label it Point B.

:)

Random

100

In the following equation, which number is the perfect square?

6² = 36

36

200

Is the following expression rational or irrational? Why?

√50 + 12²

151.071067812...

irrational 

the decimal is non-terminating with no pattern

300

Which equation below is an example of the Commutative Property of Addition?

a) 17 + 2 = 2 + 17

b) 4 + (5 + 6) = (4 + 5) + 6

c) (8 · 3) · 10 = 8 · (3 · 10)

d) 11 · 12 = 12 · 11

a) 17 + 2 = 2 + 17

400

Is the following expression rational or irrational? Why?

√16 - √81

-5

rational

-5 is a whole number, and whole numbers are rational

500

Which equation below is an example of the Associative Property of Multiplication?

a) 17 + 2 = 2 + 17

b) 4 + (5 + 6) = (4 + 5) + 6

c) (8 · 3) · 10 = 8 · (3 · 10)

d) 11 · 12 = 12 · 11

c) (8 · 3) · 10 = 8 · (3 · 10)