GRADE 9 MATH REVIEW

RATIONAL NUMBERS

100

What is 2.1 + 5.6?

7.7

200

What is -3 x -9?

27

300

What is 1/2 x 4/3?

2/3 or 4/6 

400

What is 3/5 - 2/7?

11/35

POWERS AND EXPONENTS

100

What is the base in the following power: 

6⁴

6

200

What is the value of the following power? 

3³

27

300

Write the following as a product of two powers: 

(2x2x2)(2x2x2x2)

2³ x 2⁴

400

Simplify the following: 

(2³ x 2²)²

2¹⁰

POLYNOMIALS

100

How many terms are in the following polynomial: 

2x² + 3x + 4

3

200

What is the degree of the following polynomial: 

3xyz - 4xy + 3x

3

300

What is 

(3x + 2) - (x - 3)?

2x + 5

400

What is 4x²y² / 2x?

2xy²

LINEAR RELATIONS

100

What is the slope in the following equation:

y = -2x + 1

-2

200

In the following equation, if x = 3, what is the value of y?

y = 2x - 3

y = 3

300

What is the y-intercept of the following equation:

y = 8x - 5

y = -5

400

In the following equation, if y = 2, what is the value of x?

y = 3x - 1

x = 1

LINEAR EQUATIONS

100

What is the constant term in the following equation: 

4x = 8

8

200

What is the coefficient in the following equation:

-2x + 3 = 1

-2

300

What is the value of x in the following equation:

4x = 12

x = 3

400

What is the value of x in the following equation: 

4x + 3 - 2x = -1

x = -2