Quiz about Quadratic Solving Multiple Choice

Question 1

Find the roots
Hint: use your calculator

Accepted Answer

d

Answer

a

Answer

c

Answer

b

Question 2

Find the roots
Hint: Use your calculator

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 3

Find the roots/ Solutions

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 4

What should you do first in solving this equation?
x² + 6x - 13 = 3

Accepted Answer

Make it equal 0 by subtracting 3 on each side

Answer

Get factored form

Answer

Write down: a=1, b=6, c=-13

Answer

Type it all in a calculator.

Question 5

Convert x²-6x+9 to factored form and identify the solution.

Accepted Answer

(x-3)(x-3); x=3

Answer

(x+3)(x+3); x=-3

Answer

(x+4)(x+2); x=-4, -2

Answer

Not factorable

Question 6

Convert x²-9x+20 to factored form and solve.

Accepted Answer

(x-4)(x-5); x=4, 5

Answer

(x-10)(x+2); x=-2, 10

Answer

(x+4)(x+5); x=-5, -4

Answer

Not factorable

Question 7

Solve by factoring

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 8

solve:
4x²+16x+15=0

Accepted Answer

-5/2,-3/2

Answer

(2x+5)(2x+3)

Answer

-10,-6

Answer

5/2, 3/2

Question 9

Solve by taking square roots:
4m² - 100 = 0

Accepted Answer

m=5, -5

Answer

m=25, -25

Answer

m=96

Answer

m=-96

Question 10

Find the expression equivalent to (x-1)(x-9)

Accepted Answer

x2-10x+9

Answer

x2+9

Answer

x2-10x-9

Answer

x2+10x+9

Question 11

Solve
(4a + 3)(4a - 3) = 0

Accepted Answer

a = ^-3/₄, ³/₄

Answer

a = ^-4/₃, ⁴/₃

Answer

a = ^-9/₁₆, ⁹/₁₆

Answer

a = ^-16/₉, ¹⁶/₉

Question 12

What is another word for zeros?

Accepted Answer

roots

Answer

y-intercepts

Answer

vertex

Answer

axis of symmetry

Question 13

Solve 3x² - 192 = 0

Accepted Answer

-8 or 8

Answer

-32 or 32

Answer

No Solution

Answer

-64 or 64

Question 14

Solve:
X² - 3 =6X + 10

Accepted Answer

No Solution

Answer

X = 7, -1

Answer

X = -7, 1

Answer

X = -7, -1

Question 15

Solve in any method

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 16

Identify the a, b and c values for this equation:
3x² - 8x + 15 = 0

Accepted Answer

a=3, b=-8, c=15

Answer

a=3, b=8, c=0

Answer

a=3, b=8, c=15

Question 17

What are the solutions to this equation? (x-3)(x+2)=0

Accepted Answer

x=3,-2

Answer

x=-3,2

Answer

x=2,3

Answer

x=3,2

Question 18

What are the solutions to this equation?
(3x-2)(5x+1)=0

Accepted Answer

x=2/3,-1/5

Answer

x=5/2,-1/3

Answer

x=1/5,-2/3

Answer

x=1/3,-5/2

Question 19

Which equation matches these solutions? x=5,-7

Accepted Answer

(x-5)(x+7)=0

Answer

(x+5)(x-7)=0

Answer

(x+5)(x+7)=0

Answer

(x-5)(x-7)=0

Question 20

Question 20.

Accepted Answer

-4, 2

Answer

-2, 4

Answer

-16

Answer

-4

Question 21

Solve 2x² + 7x - 15 = 0

Accepted Answer

-5 or 1.5

Answer

-1.5 or 5

Answer

No Solution

Answer

0.7 or 5

Question 22

Solve 2x² + 7x - 15 = 0

Accepted Answer

-5 or 1.5

Answer

-1.5 or 5

Answer

No Solution

Answer

0.7 or 5

Question 23

Suzie solves the equation below:
x² + 4x - 12 = 2
(x - 2)(x + 6) = 2,
by setting x -2 = 0 and x + 6 = 0.
Her solutions are x = 2 and x = -6.
Is Suzie correct? Why or why not?

Accepted Answer

No, she did factor correctly, but she can't use the zero product property as shown.

Answer

Yes, she factored correctly and then used the zero product property

Answer

Yes, she factored correctly and then square rooted.

Answer

No, she didn't factor correctly so the rest of her work is wrong.

Question 24

Solve by completing the square.
y² + 10y = -9

Accepted Answer

-1 and -9

Answer

1 and -12

Answer

1 and -9

Answer

1 and -1

Question 25

Use the quadratic formula to solve 2x² + 2x - 12?

Accepted Answer

2, -3

Answer

-2, 3

Answer

2, 3

Answer

-2, -3

Question 26

Solve using the quadratic formula:

Accepted Answer

a

Answer

b

Answer

c

Question 27

What is another word that describes the zeroes of a quadratic function?

Accepted Answer

x-intercepts

Answer

y-intercepts

Answer

vertex

Answer

maximum

Question 28

Solve for x by factoring.

Accepted Answer

2, 6

Answer

-6, -2

Answer

-2, 6

Answer

-6, 2

Question 29

Solve for a by factoring.
a² + 2a - 24 = 0

Accepted Answer

a = -6, 4

Answer

a = 6, -4

Answer

a = 12, -2

Answer

a = 8, -3

Question 30

Solve for x by factoring.
2x² + 17x + 21 = 0

Accepted Answer

x=-7, ^-3/₂

Answer

x= ^-21/₂, -17

Answer

x= ²/₃, 16

Answer

x=15, -³/₇

Question 31

Solve for n by factoring.

Accepted Answer

-4, 2

Answer

-2, 4

Answer

-16

Answer

-4

Quadratic Solving Multiple Choice

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