Solving Quadratic Equations

Solve for x.

(x + 4)(x − 3) = 0

• x = 4 and x = −3

• x = 2 and x = 1

• x = −4 and x = 3

• x = −2 and x = 1

Tags

CCSS.HSA-REI.B.4B

Factor and Solve:

m² − 100 = 0

• m = 50 , −50

• m = 10

• m = 10, −10

• m = −10

Tags

CCSS.HSA-REI.B.4B

Factor and Solve:

a² + 2a − 24 = 0

• a = −6, 4

• a = 6, −4

• a = 12, −2

• a = 8, −3

Tags

CCSS.HSA-REI.B.4B

Factor and solve:

z² − 14z + 45 = 0

• z = 1, 45

• z = −1, 45

• z = −5, 9

• z = 5, 9

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

x² -4 = 77

• 9

• -9

• -9i

• ±9

Tags

TEKS.MATH.A.8A

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• b= 3i, -3i

Tags

TEKS.MATH.A.8A

Solve using square roots.
k² - 6 = -43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• k = i√37, -i√37

Tags

TEKS.MATH.A.8A

Solve for h.
(h - 2)² = 9

• h = 5, -1
• h = 5, -5
• h = 5
• h = -1

Tags

CCSS.HSA-REI.B.4B

4x²+7x-17=3x²+12x-3

• x= -7, -2

• x= 7, -2

• x= -7, 2

Tags

CCSS.HSA-REI.B.4B