First Semester Review

Integers

100

Find the sum: 

-2 + 8 

6

200

Find the difference: 

6 - (-3)

9

300

Find the product: 

-8 x 7

-56

400

Find the quotient: 

-100 / -10

10

500

A shark is 80 feet below the surface of the water. It swims up and jumps out of the water to a height of 15 feet above the surface. Find the vertical distance the shark travels.

95 feet

Rational Numbers

100

Find the sum: 

2.85 + 8.23

11.08

200

Find the difference: 

-2.3 - 4.2

-6.5

300

Find the product: 

-3.2 x 0.9

-2.88

400

Find the quotient: 

-8.2 / -4

2.05

500

A 14.5 gallon gasoline tank is 3/4 full. How many gallons will it take to fill the tank? 

3 5/8 gallons

Expressions

100

What are the variables within the expression: 

2x + 4y 

x and y

200

Simplify the expression: 

-3x + 4y - 2x - 3y

-5x + y

300

Find the sum of the linear expressions:

(2x + 7) + (3x + 4)

5x + 11

400

Simplify the expression:

-2(x+4)

-2x - 8

500

Factor the expression using the GCF: 

9b + 21

3(3b+7)

Equations

100

Solve the equation: 

x + 4 = 9

x = 5

200

Solve the equation: x - 1.2 = 3.8

x = 5

300

Solve the equation: 

-5x = 10

x = -2

400

Solve the equation: x / 4 = 1.2

x = 4.8

500

Solve the equation: 

-3x + 8 = 17

x = -3

Inequalities

100

Solve the inequality: 

x + 3 > 9

x > 6

200

Solve the inequality: 

x - 2 < -8

x < -6

300

If there is a line underneath the inequality sign, my dot on my number is ( open or closed)?

closed

400

Graph the solution: 

x > -4

Show Answer

500

Solve the Inequality and Graph:

4x + 4 < 8

x < 1 

Show Graph