Math 2 : 4.6a Classwork

What are the 2 characteristics we look for when trying to solve a quadratic equation?

• Factor and cancel

• Distribute and combine like terms

• There is no such thing as a quadratic equation

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1
• (x + 1)(x - 3); x=-1, x=3
• (x + 2)(x - 1); x=-2, x=1
• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

Convert x²-9x+20 to factored form and solve.

• (x-10)(x+2); x=-2, 10
• (x+4)(x+5); x=-5, -4
• (x-4)(x-5); x=4, 5
• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve 2x² - 7x + 6 = 0 by factoring

• x = -3/2 and x = -2

• x = -3 and x = -2

• x = 3 and x = 2

• x = 3/2 and x = 2

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

ax² + bx + c = 0 is the standard form of a quadratic equation.

• True

• False

Tags

CCSS.HSA.REI.B.4

Tags

CCSS.HSA-REI.B.4B

• -6,-7

• 6, 7

• -6, 7

• 6, -7

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B