solve quadratics

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

What mathematical process did they use?

• Quadratic Formula
• Completing the Square
• Factoring
• Differentiation

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• Pythagorean Formula
• Quadratic Formula
• Distance Formula
• Correlation Formula

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

Factor
v² - 6v + 9

• (v-3)²
• (v-6)²
• (v-9)(v+6)
• not factorable

Tags

CCSS.HSA.APR.C.4

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square. Round.
x² -4x = 5

• 11 and -7
• 1 and 3
• 1.73 and -1.73
• 5 and -1

Tags

CCSS.HSA-REI.B.4B

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Solve using the quadratic formula:
4x² + 4x + 1 = 0

• x = -½
• x = -2
• x = 0

Tags

CCSS.HSA-REI.B.4B

Factor
9x²-6x-8

• (3x+2)(3x-4)
• (3x+2)(3x+4)
• (3x-2)(3x-4)
• (x-1)(9x+8)