Quadratic Formula

Use the quadratic formula to find the solutions for
 y = -x² + 20

• -4.47 and 4.47

• -8.94 and -8.94

• -4 and 5

• ZERO solutions

Tags

CCSS.HSA-REI.B.4B

Solve
 b² + 2b - 99 = 0

• 9 & -11

• -9 & 11

• 1.8 & -1.4

• 2.5 & -0.5

Tags

CCSS.HSA-REI.B.4B

Solve    2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

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

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Identify the 'a' value: y = 16x² -8x -24

• 16

• 8

• -8

• -24