Exam #1 Review

All Operation Integers/Parts of an Expression

100

-10 + 5

-5

200

-6 - 4

-10

300

-6 x 7

-42

400

-81 / -9

9

500

15x + 6 - 12x +8 - 5x⁶ - 2

Number of terms? 

What is the exponents? 

What is the coefficients?

6

6

15, -12, -5

Order of Operations

100

25 - 3 x 2²

13

200

2 x (1 + 4)²

50

300

2² + 36 % (3 + 1) x 2

22

400

5 + 7 x 9    /    10 - 14

-17

500

-2 - 18   /   11 - 5 x 3

5

Simplifying Expressions

100

2 (3x + 10)

6x + 20

200

x + 3 - 2x - 5 + 7x 

-6x - 2

300

-6(3x + 2) - 2x

-20x - 12

400

7 + 6r + r - 5

7r + 2

500

-8(-7x - 1) + 10

56x + 18

Solve for the Variable

100

-9 = s + (-4) 

-5

200

5x + 9 = 24

3

300

k/8 - 1 = -3

-16

400

-1 + 6x + 30 = 53

4

500

7m + 29 = 2m + 9

-4

Solutions

100

Which is the correct solution to 18 - 2k = 6k + 50 

k = -8 or k = -4

k = -4

200

Is the coordinate pair (5, 2) a solution to y = -3x + 2? 

No Solution 

300

Is the coordinate pair (0, 2) a solution to the equation y = -3x + 2? 

Yes 

400

Solve the equation, indicate the solution

2x + 8 = 2(x +4) 

Infinite Solution 

500

2(x - 3) = -2 + 2x

No Solution