Factoring and solving trinomials all cases

Solve the equation by factoring:

n²+11n +30 = 0

• {-6, -5}

• {6, 5}

• {2, 15}

• {-15, -2}

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:

x² + x - 6 = 0

• {-2, 3}

• {-2, -3}

• {2, -3}

• {-2}

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:

p² + 5p + 4 = 0

• {-5, 0}

• {-4, -1}

• {-1, 4}

• {-4, 1}

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• 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 - 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

Solve the equation. 2m² + 13m +20 = 0

• m = 1/4 or m = 5

• m = -5/2 or m = 2

• m = -5/2 or m = -1

• m = -5/2 or m = -4

Tags

CCSS.HSA-REI.B.4B

Solve the equation. 6x² + x = 15

• x = -2/3 or x = 1

• x = -5/3 or x = -3/2

• x = 3/5 or x = -2

• x = -3/2 or x = 5

Tags

CCSS.HSA-REI.B.4B

Solve
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃
• n = ⁴/₅, - 2
• n = ¹/₄, ^-3/₂
• n = 2, -12

Tags

CCSS.HSA-REI.B.4B

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17
• x= ²/₃, 16
• x=-7, ^-3/₂
• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

Solve the equation. 4x² + 9 = -15x

• x = -3/4 or x = -3

• x = -1/3 or x = -4/3

• x = -5/2 or x = -4

• x = 3/4 or x = -4

Tags

CCSS.HSA-REI.B.4B