Free Printable Quiz #6

1.

Find the zeros of the function $f\left(x\right)=6x^2+22x-8$

a)

$\frac{2}{6}$ , -4

b)

$-\frac{1}{3}$ , -4

c)

$-\frac{2}{6}$ , -4

d)

$\frac{1}{3}$ , -4

2.

Find the zeros of the function $f\left(x\right)=x^2-7x$

a)

0, -7

b)

-7

c)

7

d)

0, 7

3.

Find the zeros of the function $f\left(x\right)=\ x^2-81$

a)

9

b)

-9,9

c)

0, -9

d)

-9

4.

Find the factors of the function $f\left(x\right)=\ x^2-25$

a)

x(x-25)

b)

(x-5)(x-5)

c)

(x-5)(x+5)

d)

x(x+25)

5.

Find the factors of the function $f\left(x\right)=7x^2-28x$

a)

x(7x-28)

b)

$7\left(x^2-4x\right)$

c)

7x(x-4)

d)

$7x^2\left(x-4\right)$

6.

Find the factors of the function: $x^2-6x-16$

a)

(x-8)(x+2)

b)

(x+8)(x-2)

c)

(x-16)(x+1)

d)

(x-16)(x+10)

7.

Find the factors of the function $f\left(x\right)=2x^2-5x-7$

a)

(2x_7)(x-1)

b)

(x-7)(2x+1)

c)

(2x-1)(x+7)

d)

(2x-7)(x+1)

8.

Find the zeros of the function f(x) = $3x^2-20x-7$

a)

-7, $\frac{1}{3}$

b)

7, $\frac{1}{3}$

c)

7, $-\frac{1}{3}$

d)

-7, $-\frac{1}{3}$

9.

Find the zeros of the function

f\left(x\right)=\ x^2-10x+21

a)

7, 3

b)

-7, -3

c)

1, 21

d)

-1, 21

10.

Factor: x² + 2x – 3

a)

(x - 2)(x + 1)

b)

(x + 1)(x - 3)

c)

(x + 2)(x - 1)

d)

(x - 1)(x + 3)

11.

The equation y = x² + 3x - 18 is graphed. Based on this graph, what are the roots (x-intercepts) of the equation x² + 3x - 18 = 0?

a)

-3 and 6

b)

0 and -18

c)

3 and -6

d)

3 and -18

12.

How many solutions (roots) does this graph have?

a)

one

b)

two

c)

no solutions

d)

cannot be determined

13.

Simplify:
(10+ 15i) - (48 - 30i)

a)

58 - 45i

b)

58 - 15i

c)

-38 - 15i

d)

-38 + 45i

14.

What is $\left(3-5i\right)+\left(-4+7i\right)$ ?

a)

$-1+2i$

b)

$7-12i$

c)

$1+2i$

d)

$-2+3i$

15.

Simplify √-81

a)

-√81

b)

-9i

c)

9i

d)

81i

16.

a)

6i√5

b)

-8√5

c)

8i√5

d)

-8i√5

17.

What is the conjugate of 4-3i?

a)

A. 1/(4-3i)

b)

B. 1/(4+3i)

c)

C. -4 + 3i

d)

D. 4 + 3i

18.

Simplify

a)

± 4i √2

b)

± 4 √2

c)

± 2i √8

d)

± 2 √8

19.

Multiply:

\left(2+5i\right)\left(2-5i\right)

a)

-21

b)

29

c)

29+10i

d)

-21+10i

20.

What is i¹²⁹?

a)

-i

b)

i

c)

1

d)

-1

21.

i⁵²

a)

i

b)

-i

c)

1

d)

-1

22.

Simplify

a)

(-10+6i)/17

b)

(1+50i)/61

c)

(-23+36i)/25

d)

(-21+33i)/34

23.

Solve (-3-5i)(2-6i)

a)

36 + 8i

b)

36 + 8i²

c)

-36 - 8i

d)

-36 + 8i

24.

a)

A

b)

B

c)

C

d)

D

25.

Multiply
(3i)(-2+4i)

a)

-6+12i

b)

-12-6i

c)

-2+7i

d)

12+6i

Quiz #6 - Algebra 2

Total questions: 25

Worksheet time: 6hrs 1mins

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