Reviewing Quadratic Formula and Factoring

How many solutions can a quadratic have?

• one

• two

• none

• either of the above

• none of the above

What are the solutions of the quadratic using Quadratic formula?

• x=5 & x=-1

• x=-5 & x=1

• x=5 & x=1

• x=-5 & x=-1

Tags

CCSS.HSA-REI.B.4B

If you factor this, what two factors of ac are you going to use?

• 1, 6

• 2, 3

• -1, -6

• -2, -3

• 1, 28

• 2, 12

• 3, 25

• 4, 7

Tags

CCSS.HSA-REI.B.4B

What methods can you use to solve, find the solutions of, a Quadratic?

• Graphing

• Factoring

• Calculator

• all of the above

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula.

2x² - 9x - 35 = 0

• x = 7/2 and x = -6

• x = -5/2 and x =5

• x = -3/7 and x =6

• x = -5/2 and x = 7

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve: n² = 9n - 20

• n = 4 and n = -5

• n = -4 and n = 5

• n = -4 and n = -5

• n = 4 and n = 5

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3
*remember right side should =0

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B