Quadratic Equation

It is a polynomial equation of degree two that can be written in the form ax² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0.

• Linear Equation

• Linear Inequality

• Quadratic Equation

• Quadratic Inequality

Tags

CCSS.8.EE.C.7B

What is a second degree polynomial equation?

• Linear Equations

• Quadratic Inequalities

• Quadratic Equations

• Quadratic Functions

What is the other term for quadratic equations?

• Equation of degree 3

• Equation of degree 0

• Equation of degree 2

• None of the above

x - 12 = -x² is an example of quadratic equation.

• True

• False

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

When solving a quadratic equation, if you have the number under the radical what would your answer look like?

• 1 answer

• 2 decimals/radicals

• no real solution

• 2 whole/fractions

Tags

CCSS.HSA-REI.B.4B