Equations
Mixed Review #1
Order of Operations
Adding Integers
Combine Like Terms
Mixed Review #2
200

-10 + 2x = x

x =10

200

What is 93?

729

200

3x + 6 + 7x + 3

10x + 9

200

Solve by substitution. Show ALL work. 

y = 2x + 3

2x + 3y = 1

x = -1

y = 1

300

 6 + (k/4) = 14


32

300

3 + 42 • (3 + 2)

83

300

8 + 4x + 1 - 12 + 5x

9x - 3

300

Identify the x and y intercepts of the following linear equation. 

y = -2x+4

(2,0) and (0,4)

400

-5(x+6)-10=10 

x=-10

400

Simplify (Hint: x=1)

1

400

45

400

-18 + (-12) =

-30

400

-11j + 16 - 22j - 27 + 5j

-28j - 11

400

Solve by elimination

2x + 3y = 2

4x - 3y = 10

x = 2

y = -2/3

500

4(x-2)=2(x+8)

x=12

500

Find the 15th term of the arithmetic sequence. 


1, 5, 9, 13, ...

Arithmetic. 

a15 = 57

500

30


500

6 + (-2 + -5) =

-1

500

Combine like terms:

9y + 3 - 4x -2y - 3x - 5

7y - 7x - 2

OR

-7x + 7y - 2

500

Calculate the mean (average), median (middle #), and mode (most common).


8, 4, 5, 8, 5, 4, 8

mode = 8

mean = 6

median = 5

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