Quadratic Formula

Quadratic Formula

by JadeAnthony Dosdos

Core Concepts:​

​Example:

Solve the equations x² + x - 20 using Quadratic Formula.

Solution:​

a = 1

​b = 1

​c = -20

​Continued...

Multiple Choice

Solve the equation  $$x^2+4x-12$$  using quadratic formula.

• x=-6

  x=2

• x=6

  x=-2

• x=-6

  x=-2

• x=6

  x=2

​Core Concepts:

​Continued...

​Example:

​Find the discriminant of the quadratic equations and describe the type of solutions of the equations.

​1. x² - 9x + 14 = 0

​

​Solutions:

​

​1. a = 1

​   b = -9

​   c = 14

​Therefore, there are TWO REAL SOLUTIONS.

Multiple Choice

Find the discriminant of the quadratic equation 2x² - 3x + 3.

• -15

• 15

Multiple Choice

What type of solution in this given function: x² - 4x + 4

• Two real solutions

• One real solution

• Two imaginary solution

• None of the above