Solve quadratic equations

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

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

Solve the following quadratic equation...

x² + 13x + 36= 0

• x = -2

  x = -18

• x = -9

  x = -4

• x = -3

  x = -12

• x = -6

  x = -6

Tags

CCSS.HSA-REI.B.4B

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

• True
• False

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

15x² + 22x = −8

• x = −2/3, 4/5

• x = 2/3, −4/5

• x = 2/3, 4/5

• x = −2/3, −4/5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² - 5x - 2 = 4

• x = 6 or x = -1

• x = -6 or x = 1

• x = -6 or x = 5

• Cannot be factored

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² - 2x - 3 = 0

• x = 1 or x = 6

• x = -1 or x = 3

• x = -5 or x = -4

• x = 1 or x = -3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² - 13v + 42 = 0

• x = -6 or x = -7

• x = 6 or x = -5

• x = 6 or x = 7

• x = -6

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² - 6x + 11 = 6

• x = 1 or x = 5

• x = -3 or x = -8

• x = 8 or x = -5

• x = -1 or x = -5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

4x² + x - 95 = 0

• x = 7 or x = -6

• x = 5 or x = -6

• x = 4.75 or x = -5

• x = -4.75 or x = 5

Tags

CCSS.HSA-REI.B.4B