Free Printable Q2_LQ#1 Grade 9 Quadratic Inequalities @ Function

1.

Write the inequality for the graph.

a)

x ≥ 5

b)

x > 5

c)

x < 5

d)

x ≤ 5

2.

Write the inequality for the graph.

a)

x ≥ 5

b)

x > 5

c)

x < 5

d)

x ≤ 5

3.

Write x ≤ 23 in words.

a)

x is greater than 23

b)

x is less than 23

c)

x is greater than or equal to 23

d)

x is less than or equal to 23

4.

What is/are the solution set of the graph?

a)

x ≤ 3 and x > -2

b)

x > -2 or x < 3

c)

x < -2 or x ≥ 3

d)

x < 3 and x ≥ -2

5.

What is/are the solution set of the graph?

a)

x > -3 or x > 1

b)

x ≥ 3 and x ≤ 1

c)

x < -3 or x < 1

d)

x > -3 and x < 1

6.

Write an inequality:

Twenty-two more than four times a number is less than 82.

a)

22 + 4n ≤ 82

b)

22 + 4n < 82

c)

82 + 22n ≥ 4

d)

22 + 4n > 82

7.

Pick the correct letter for:

6 > x

a)

A

b)

D

c)

C

d)

B

8.

Solve the quadratic inequality. $x^2-2x-15<0$

a)

-3<x<5

b)

$x>5$

c)

$x<-3$

9.

What is the quadratic term of this quadratic function $f\left(x\right)=7x^2-6x+5$

a)

$7x$

b)

$7x^2$

c)

$7$

d)

$-6x$

10.

What is the linear term of this quadratic function $f\left(x\right)=2x^2+8x+3$

a)

$2x^2$

b)

$2x$

c)

$8x$

d)

$3$

11.

$f\left(x\right)=-3x+6$

a)

Quadratic function

b)

Linear Function

12.

$f\left(x\right)=x^2+9$

a)

quadratic function

b)

linear function

13.

$f\left(x\right)=8x^2$

a)

Quadratic function

b)

Linear Function

14.

$f\left(x\right)=6x+9$

a)

Quadratic function

b)

Linear Function

15.

$f\left(x\right)=2x^2+1$

a)

Quadratic Function

b)

Linear Function

16.

$f\left(x\right)=x-2$

a)

Quadratic Function

b)

Linear Function

17.

$f\left(x\right)=5x^2-2x+3$

a)

Quadratic Function

b)

Linear Function

18.

$f\left(x\right)=9x-2$

a)

Quadratic Fuunction

b)

Linear Function

19.

$f\left(x\right)=3x^2+2$

a)

Quadratic Function

b)

Linear Function

20.

Who is the father of Algebra?

a)

Euclid

b)

Al-Khwarizmi

c)

Sir Ronald Aylmer Fisher

d)

Rene Descartes

Q2_LQ#1 Grade 9 Quadratic Inequalities @ Function

Total questions: 20

Worksheet time: 10mins

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