Solve Quadratics Factoring Method

What should you do first if solving this equation using the FACTORING method?

• 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.

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² = 7x + 18

• -7 and -18

• 9 and 2

• 9 and -2

• 2 and 7

Tags

CCSS.HSA-REI.B.4B

Which TWO methods could be used to solve this equation? x² - 3x - 54 = 0

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Which TWO methods could be used to solve this equation?

x² + 2x = -9

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Which TWO methods could be used to solve this equation? 2x² + 4x - 6 = 0

• Square Root Method

• Factor Method

• Quadratic Formula

• Completing the Square

Tags

CCSS.HSA-REI.B.4B

Factor and solve:

z² − 14z + 45 = 0

• z = 1, 45

• z = −1, 45

• z = −5, 9

• z = 5, 9

Tags

CCSS.HSA-REI.B.4B

• Yes, she factored correctly and then used the zero product property

• No, she didn't factor correctly so the rest of her work is wrong.

• No, she did not set the equation equal to zero before factoring.

• Yes, she answered it correctly.

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve a² + 10a - 24 = 0

• a = {2, -12}

• a = {4, 6}

• a = {-12, 2}

• a = {-6, -4}

Tags

CCSS.HSA-REI.B.4B

Solve 3x^2 - 2x = 8

• A. No Solution

• B. -2 or 4/3

• C. 2

• D. -4/3 or 2

Tags

CCSS.HSA-REI.B.4B