Solving Trinomials

Solve m² + 12m - 64 =0.

• 16 and -4
• 9/2 and -3
• 4 and -16

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• ± √21
• -3 , -7
• 3 , 7
• 28 , -7

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
k² + 8k + 12 = 0

• -2, 2
• -2, 4
• -2, -6
• 2, 3

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:
x² -6x + 8 = 0

• 2, 4
• -2, -4
• -2, 4
• 2, -4

Tags

CCSS.HSA-REI.B.4B

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor
n² + 5n - 6

• (n - 2)(n - 3)
• (n - 1)(n + 6)
• (n + 1)(n - 6)
• (n + 2)(n - 3)

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Factor
x² +17x - 60

• (x - 20)(x + 3)
• (x + 12)(x - 5)
• (x - 12)(x + 5)
• (x + 20)(x - 3)

 $Solve:\ x^2-16=0$  

Select ALL solutions

• 4

• -4

• 16

• -16

Tags

CCSS.HSA-REI.B.4B

Why can we NOT factor using difference of two square in the problem 49x² + 4y².

• Because x² is not a perfect square

• Because 4 is not a perfect squared number

• Because 49 is not a perfect squared number

• Because we can't factor using difference of two squares if it is addition sign

Tags

CCSS.HSA.APR.C.4