All Methods of Solving Quadratics

Solve by factoring!! (Don't forget to check for GCF)

• -4, 2

• -2, 4

• -16

• -4

Solve by factoring.

• -2, 4

• -8

• ±8

• No real solution

Convert x²-6x+9 to factored form and identify the solution.

• (x-3)(x-3); x=3
• (x+3)(x+3); x=-3
• (x+4)(x+2); x=-4, -2
• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.

x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

What should you do first in solving this equation when solving for Quadratic Formula?

x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Solve using the Quadratic Formula.

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Square root of 16 is..

• 4 or -4
• 32
• 8
• 4

Tags

CCSS.8.EE.A.2

Solve by completing the square:

x² − 12x + 23 = 0

• x = 6 + √13, 6 - √13

• x= -6 + √13, -6 - √13

• x = 6 + √59, 6 - √59

• x = -6 + √59, -6 - √59

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

Tags

CCSS.HSA-REI.B.4B