Quadratic Equations

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.  3x²+x-14=0

• no solution

• 7,-6

• -7/3 , 2

• 2, -7

Solve for x.  Round to the nearest hundredth if necessary.
x² - 10x = -25

• x = 5

• x = -5

• x = -5, 5

• x = 25

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve for x.  Round to the nearest hundredth if necessary.
2x² = -6x -4

• x = -1, -2

• x = 1, 2

• x = 1, 4

• x = -1, -4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve for x.  Round to the nearest hundredth if necessary.
3x² = 16x + 12

• x = -.67, 6

• x = -6, .67

• x = 3.33, 18

• x = -3.33, 18

Tags

CCSS.HSA-REI.B.4B

Solve for x.  Round to the nearest hundredth if necessary.
5x² = 80

• x = -4, 4

• x = 4

• x = 4, 16

• x = -16, -4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve for x.  Round to the nearest hundredth if necessary.
2x² + 8x = 5x + 20

• x = 2.5, -4

• x = -4, 2.5

• x = 1.28, -7.78

• x = -1.28, 7.78

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4