Quiz about QUADRATIC FORMULA

Question 1

What is this formula?

Accepted Answer

This is the quadratic formula.

Answer

This is the standard formula.

Answer

This is the square root formula.

Answer

This is the Pythagorean formula

Question 2

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

Accepted Answer

2, -3

Answer

-2, 3

Answer

2, 3

Answer

-2, -3

Question 3

Solve 2x² + 7x - 15 = 0

Accepted Answer

-5 or 3/2

Answer

-3/2 or 5

Answer

No Solution

Answer

0.7 or 5

Question 4

Solve Using the Quadratic Formula
x² + 4x - 40 = -8

Accepted Answer

-8 & 4

Answer

-10 & -4

Answer

-4 & 10

Answer

8 & -4

Question 5

What should you do first in solving this equation?

x² + 6x - 13 = 3

Accepted Answer

Subtract 3 from both sides.

Answer

Factor

Answer

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

Answer

Add 3 to both sides.

Question 6

Question 6.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

Question 7.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 8

Question 8.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 9

Solve Using the Quadratic Formula
x² + 4x - 40 = -8

Accepted Answer

-8 & 4

Answer

-10 & -4

Answer

-4 & 10

Answer

8 & -4

Question 10

In the equation
y = x² +5x +7, match each leading coefficient with its correct letter

Accepted Answer

a=1, b=5, c=7

Answer

a=0, b=5, c=7

Answer

a=7, b=5, c=1

Question 11

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

Accepted Answer

2, -3

Answer

-2, 3

Answer

2, 3

Answer

-2, -3

Question 12

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 13

Question 13.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 14

How many solutions does the equation 4x² + 4x + 1 = 0 have?

Accepted Answer

1

Answer

0

Answer

2

Answer

More than 2

Question 15

How many solutions does the equation 4x² + 4x + 1 = 0 have?

Accepted Answer

1

Answer

0

Answer

2

Answer

More than 2

Question 16

Identify the values of A, B, and C

10p²+ 7p - 20 = 0

Accepted Answer

A=10, B=7, C=-20

Answer

A=1, B=7, C=-20

Answer

A=10, B=7, C=20

Answer

A=10, B=-7, C=-20

Question 17

Identify the values of A, B, and C

11r²+ 6r = 6

Accepted Answer

A=11, B=6, C=-6

Answer

A=11, B=-6, C=-6

Answer

A=11, B=6, C=6

Answer

A=1, B=6, C=-6

Question 18

Identify the values of A, B, and C

3m²- 14 = 11m

Accepted Answer

A=3, B=-11, C=-14

Answer

A=3, B=-14, C=11

Answer

A=3, B=11, C=-14

Answer

A=3, B=-14, C=11

Question 19

Solve using the Quadratic Formula

6x²+ 12x - 1 = 0

Accepted Answer

x = 0.08, -2.08

Answer

x = -0.08, 2.08

Answer

x = -0.08, -1.91

Answer

x = 0.08, 1.19

Question 20

Solve using the Quadratic Formula

4v²- 1v - 18 = 0

Accepted Answer

v = 2.25, -2

Answer

v = -2.25, 2

Answer

v = 2.24, -1.99

Answer

v = -2.24, 1.99

Question 21

Solve using the Quadratic Formula

4x²- 7x = -3

Accepted Answer

x = 1, 0.75

Answer

x = -1, -0.75

Answer

x = 2.11, -0.36

Answer

x = -2.11, 0.36

Question 22

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

Accepted Answer

-6.77 and 1.77

Answer

-4.9 and -0.1

Answer

-8.54 and 8.54

Answer

-0.45 and 3.55

Question 23

Identify the 'b' value: y = 16x² -8x -24

Accepted Answer

-8

Answer

16

Answer

8

Answer

-24

Question 24

Solve 8x² - 6x + 1 = 0

Accepted Answer

0.25 or 0.5

Answer

No Solution

Answer

0 or 1

Answer

-0.5 or -0.25

Question 25

Use the quadratic formula to find the solutions for
y = 2x² - 9x + 5

Accepted Answer

3.85 and 0.65

Answer

-8.14 and -6.14

Answer

4.07 and 3.07

Answer

ZERO solutions

Question 26

The quadratic equation can be used to solve quadratic equations that cannot be factored.

Accepted Answer

True

Answer

False

Question 27

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 28

The discriminant is

Accepted Answer

b2 - 4ac

Answer

ax² + bx + c

Answer

b - 4ac

Answer

b2 + 4ac

Question 29

If the discriminant equals 0, then the quadratic has:

Accepted Answer

1 Rational Solution

Answer

2 Rational Solutions

Answer

No solutions

Answer

2 Complex Solutions

Question 30

If the discriminant is positive but NOT a perfect square, then the quadratic has:

Accepted Answer

2 Irrational Solutions

Answer

1 Rational Solution

Answer

2 Rational Solutions

Answer

2 Complex Solutions

Question 31

If the discriminant is negative, then the quadratic has:

Accepted Answer

2 Complex Solutions

Answer

1 Rational Solution

Answer

2 Rational Solutions

Answer

2 Irrational Solutions

Question 32

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

Accepted Answer

x = -1 and x = -3

Answer

x = 1 and x = 3

Answer

x = 6 and x = -2

Question 33

Solve Using the Quadratic Formula
x² + 4x - 40 = -8

Accepted Answer

-8 & 4

Answer

-10 & -4

Answer

-4 & 10

Answer

8 & -4

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