Quiz about Apply Quadratic Formula

Question 1

Solve using the quadratic formula.
2x² - 9x - 35 = 0

Accepted Answer

x = -5/2, x = 7

Answer

x = 7/2, x = -6

Answer

x = -5/2, x =5

Answer

x = -3/7, x =6

Question 2

What is this formula?

Accepted Answer

This is the quadratic formula.

Answer

This is the speed of light formula.

Answer

This is the zero product property.

Answer

This is scary.

Question 3

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 4

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

Accepted Answer

2, -3

Answer

-2, 3

Answer

2, 3

Answer

-2, -3

Question 5

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

Accepted Answer

2, -3

Answer

-2, 3

Answer

2, 3

Answer

-2, -3

Question 6

Solve Using the Quadratic Formula

x² + 4x - 40 = -8

Accepted Answer

x = -8 and x = 4

Answer

x = -10 and x = -4

Answer

x = -4 and x = 10

Answer

x = 8 and x = -4

Question 7

Solve using the quadratic formula.

$$2x^2+8x+3=0$$

Accepted Answer

$$x=\frac{-4\pm\sqrt[]{10}}{2}$$

Answer

$$x=\frac{-10\pm\sqrt[]{5}}{2}$$

Answer

$$x=\frac{4\pm\sqrt[]{10}}{2}$$

Answer

$$x=\frac{-4\pm\sqrt[]{5}}{2}$$

Question 8

Find the value of x using the quadratic formula, if a=1, b=2, c=-3.

Accepted Answer

1 & -3

Answer

-1 & -3

Answer

1 & 4

Answer

-1 & 3

Question 9

Find the value of x using the quadratic formula, if a=1, b=4, and c=3.

Accepted Answer

-1 & -3

Answer

1 & 3

Answer

-1 & 3

Answer

1 & -3

Question 10

Solve by using the quadratic formula.

7x² - 26x - 8 = 0

Accepted Answer

x = 4 and x = -2/7

Answer

x = -1 and x = -7/8

Answer

x = -4 and x = 2/7

Answer

x = 4 and x = -7/2

Question 11

Solve Using the Quadratic Formula
2x² + 7x - 15 = 0

Accepted Answer

-5 or 1.5

Answer

-1.5 or 5

Answer

No Solution

Answer

0.7 or 5

Question 12

Solve using the quadratic formula.

$$-2x^2-8x-5=3$$

Accepted Answer

$$\left\{-2\right\}$$

Answer

$$\left\{-2,\, 2\right\}$$

Answer

$$\left\{3\ \pm\ \sqrt{123}\right\}$$

Answer

No Real Solution

Question 13

Which example below uses the quadratic formula correctly?

Accepted Answer

$$\frac{-\left(-4\right)\pm\sqrt{\left(-4\right)^2-4\left(1\right)\left(-7\right)}}{2\left(1\right)}$$

Answer

$$\frac{-\left(4\right)\pm\sqrt{\left(-4\right)^2-4\left(1\right)\left(-7\right)}}{2\left(1\right)}$$

Answer

$$\frac{-\left(-4\right)\pm\sqrt{\left(-4\right)^2-4\left(1\right)\left(7\right)}}{2\left(1\right)}$$

Question 14

Solve by the Quadratic Formula:

$$9u^2-11u+7=0$$

Accepted Answer

$$\frac{11\pm\sqrt{131}}{18}$$

Answer

$$\frac{-11\pm\sqrt{131}}{18}$$

Answer

$$\frac{11\pm\sqrt{131}}{-18}$$

Answer

$$\frac{11\pm i\sqrt{373}}{18}$$

Question 15

Solve the following equation using the quadratic formula:

$$3x^2+16x+5=0$$

Accepted Answer

$$x=-\frac{1}{3},\ x=-5$$

Answer

$$x=\frac{1}{3},\ x=5$$

Answer

$$x=-1,\ x=-15$$

Answer

$$x=1,\ x=15$$

Question 16

Solve
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

Apply Quadratic Formula

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics