Intro to Solving Quadratics (Factoring) HW

Which of the following is a quadratic equation?

• 2^x = 10

• 2x = 10

• x²

• x² = 10

Tags

CCSS.HSA.REI.B.4

Which of the following is a quadratic equation?

• x² - 1 = 0

• x²

• 2x = 18

• x² + 9x + 14

Tags

CCSS.HSA.REI.B.4

Which solutions makes the equation (a)(b)(c)=0 true?

CHECK ALL THAT APPLY

• a=0

• b=0

• c=0

Tags

CCSS.6.EE.B.5

Solve for x: (x+2)(x-3)=0

• x= {-2, 3}

• x = {2, -3}

• no solution

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve (x+5)(x+6)=0

• x={5,6}

• x={-6,-5}

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Choose all that are solutions to (x-5)(x+7)=0

• x=5

• x=-5

• x=7

• x=-7

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

What first step could be used to solve this equation?

x²+7x+11 = 1

• subtract 11 from both sides

• subtract 1 from each side to get it = 0

Tags

CCSS.HSA.REI.B.4

What could be the first step to solve this equation?

x²+7x+10 = 0

• get it = 0

• factor

• add 10 to both sides

• subtract 10 from both sides

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

factor x²+7x+10

• (x+7)(x+10)

• (x+1)(x+10)

• (x+2)(x+5)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve for x: x²+7x+10 = 0

• x=7

• x=-10/7

• x = {-5,-2}

• x={2,5}

Tags

CCSS.HSA.REI.B.4