solve quadratics by factoring a = 1

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 7x + 12 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 13x + 12 = 0

• x = -1, x = -12
• x = -1, x = -24
• x = -2, x = -6
• x = -2, x = -12

Tags

CCSS.HSA-REI.B.4B

Solve:

x² - 49 = 0 Hint: x² + 0x -49 = 0

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

Tags

CCSS.HSA-REI.B.4B

x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

Tags

CCSS.HSA-REI.B.4B

x² - 18x + 81 = 0

• x= -9, -9

• x= 9, 9

• x= -9, 9

Tags

CCSS.HSA-REI.B.4B

Write a quadratic equation in standard form with the given roots: 1, 7

• x² - 6x - 7 = 0

• x² + 8x + 7 = 0

• x² - 8x + 7 = 0

• x² + 6x - 7 = 0

Write a quadratic equation in standard form with the given roots: -2, -5

• x² - 3x - 10 = 0

• x² + 7x + 10 = 0

• x² - 7x + 10 = 0

• x² + 2x - 10 = 0

What two number factors multiply to 10 and add up to 11

• 1, 10
• 2, 5
• -10, -1
• 7, 3

Tags

CCSS.4.OA.B.4