Quiz about Solving Quadratic Equations with Rational Solutions

Question 1

If x = -1 and x = 5 are two solutions to a quadratic equation, then what could the equation be?

Accepted Answer

$$\left(x+1\right)\left(x-5\right)=0$$

Answer

$$\left(x-1\right)\left(x+5\right)=0$$

Answer

$$\left(x-1\right)\left(x-5\right)=0$$

Answer

$$\left(x+1\right)\left(x+5\right)=0$$

Question 2

Question 2.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 3

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 4

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 5

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

Answer

x = -1 and x = 3

Question 6

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

Accepted Answer

-8 & 4

Answer

-10 & -4

Answer

-4 & 10

Answer

8 & -4

Question 7

Solve by the Quadratic Formula:

$$12x^{2\ }+7x\ -16=4x^2-3x-12$$

Accepted Answer

$$\frac{-4\pm3\sqrt{5}}{8}$$

Answer

$$\frac{-4\pm6\sqrt{5}}{8}$$

Answer

$$\frac{4\pm3\sqrt{5}}{8}$$

Answer

$$\frac{4\pm6\sqrt{5}}{8}$$

Question 8

What is another word for roots of an equations?

(Select all choices that apply.)

Accepted Answer

zeros

Accepted Answer

x-intercepts

Accepted Answer

solutions

Answer

y-intercepts

Answer

vertex

Question 9

The points at which a parabola intersects the x-axis are the ________________.

Accepted Answer

quadratic roots

Answer

vertex

Answer

axis of symmetry

Answer

asymptotes

Answer

factors

Solving Quadratic Equations with Rational Solutions

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