Solving Quadratic Functions by factoring and square rooting

Solve.

k² - 6 = 43

• k = √37

• k = ±37

• k =±7

• No Real Number Solution

Tags

CCSS.8.EE.A.2

Solve.

x²=9

• x = ±9

• x = ± 3

• x = 0

• x = ± √3

Tags

CCSS.8.EE.A.2

Solve.

3x² + 5x + 2 = 0

• x = -2/3 and x = -1

• x = -3/2 and x = -1

• x = 2/3 and x = 1

• x = 2/3 and x = -1

Tags

CCSS.HSA-REI.B.4B

Solve.

x² - 2x - 48=0

• x = 8, x = 6

• x = 8, x = -6

• x = -8, x = 6

• No Real Number Solution

Tags

CCSS.HSA-REI.B.4B

Solve.

x² - x - 90 = 0

• x = 9, x = 10

• x = 9, x = -10

• No Real Number Solutions

• x = -9, x = 10

Tags

CCSS.HSA-REI.B.4B

Solve.

x² + 3x - 4 = 0

• x = 2, x = 2

• x = 1, x = 4

• x = 1, x = -4

• No Real Number Solutions

Tags

CCSS.HSA-REI.B.4B

Solve.

2x² = 3x + 2

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.8.EE.A.2

What are the values of x when y = 0?

• { -3, 1 }
• { -2 }
• { -3, -1 }
• { 1, 3 }

Tags

CCSS.HSF-IF.C.7A