Midterm Exam review 1

Exponents

100

Write 4 x 4 x 4 in exponential form

What is 4³ ?

200

What is 8² in expanded form?

What is 8 x 8.

300

Evaluate 5³.

What is 125?

400

What is the rule for the exponents when evaluating;

       (8²)⁴

What is to multiply them?

500

Simplify:

          (3⁸)/(3²)

What is 3⁶?

Rational numbers

100

Complete this sentence:  Rational numbers either terminate or _________________.

What is repeat?

200

 Write 0.05 as a fraction in simplest form.

What is 1/20?

300

Write 6/8 as a percent.

What is 75%?

400

What is -5.6 +  6/10?

What is -5?

500

Multiply:  -4 1/2  by 2/3.

What is -3?

Solving equations

100

Solve for n:   

 -3n = 12

What is -4?

200

Solve for n:   10 - 5n = 20

What is -2?

300

Solve for n:   

3/5 n = 24

What is 40?

400

Solve for n:

2n - 6 + 6n = 2n + 54

What is 10?

500

Solve for n:

1/3 (9n  - 6) = 2(n + 1)

What is 4?

Expressions

100

Simplify: 

 3(x + 5) - 7x

What is -4x + 15?

200

Simplify:

-10x - 5x + 1 

What is -15x + 1?

300

Simplify:

12 - 8(x + 2)

What is -8X - 4?

400

Simplify:

9(x + 3) + 4X - 20

 What is 13x + 7?

500

Simplify:

1/2(4x + 10) - 2x - 5

What is 0?

Systems

100

Fill in the blank:  When solving a system by graphing, the solution is found by looking for______________.

What is the point of intersection?

200

What is the solution of a system with parallel lines?

What is no solution?

300

Solve by elimination:

x + y = 6

x - y =  10

What is (8, -2)?

400

Solve by substitution:

2x + 5y = 7

 y = -x + 5

What is (6, -1)?

500

What is the solution to a system with coinciding lines?

What is infinite solutions?