Solving quadratics by factoring

(4k + 5)(k + 1) = 0

• A= k = ¼, -2

• B= k = -5/4, -1

• C= k = -5 , 1

• D= k= 0, -5

Tags

CCSS.HSA-REI.B.4B

(2m + 3)(4m + 3) = 0

• m= -¾ , -3/2

• m= 3/2, -2

• m = -3/2, -3/4

• m= none of the above

Tags

CCSS.HSA-REI.B.4B

n^2 + 7n + 15 = 5

• n= 5, 7

• n = -2, -5

• n= 2, 5

• n= -5, 3

Tags

CCSS.HSA-REI.B.4B

6n^2 − 18n − 18 = 6

• n = 4, -1

• n= -2, 4

• n= 6,-8

• n= 1, 6

Tags

CCSS.HSA-REI.B.4B

15b^2 + 4b − 4 = 0

• b= 3, ¼

• b= ⅕ , 2

• b = 2/5 , -2/3

• b = ½ , -4

Tags

CCSS.HSA-REI.B.4B

7p^2 − 38p − 24 = 0

• 8, -3/2

• P = 6 , -4/7

• p = 3/2, -6

• p = 4, -⅝

Tags

CCSS.HSA-REI.B.4B

x^2 = 11x − 28

• 7, 2

• 7,4

• 2 , 8

• 7, -2

Tags

CCSS.HSA-REI.B.4B

8x^2 = 30 + 43x

• x= 6, 2

• x= 4, -3

• x= 6, -⅝

• x= -3 , -⅝

Tags

CCSS.HSA-REI.B.4B

n^2 − 5n − 14 = 0

• n= 4, -2

• n = ⅔ , -2

• n = 2, -⅓

• n = 7, -2

Tags

CCSS.HSA-REI.B.4B

3n^2 − 7n = 6

• -2, 3

• -3, .57

• 3 , -2/3

• -2, 1/3

Tags

CCSS.HSA-REI.B.4B