Finding Solutions Quadratic

Solve
x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

The x-intercepts of a quadratic equation are known as the _____.

• vertices

• squares

• zeros

• formulas

Tags

CCSS.HSF-IF.C.7A

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

Find the zeros of this quadratic.

• b=-2, b=-4

• b=-2, b=4

• b=1/2, b=-2

• b=2, b=-4

Tags

CCSS.HSA-REI.B.4B

What are the two solutions to             x² - 4 = 0

• x = 2 and x = -2

• x = 4 and x = - 4

• x = 2 and x = -4

• x = 2 and x = 2

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² + 4x - 21

• -7, 3

• -3, 7

Tags

CCSS.HSA-REI.B.4B

Factor x² + x - 2

• (x + 1)(x - 2)

• (x - 1)(x + 2)

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A