Solving Quadratics with Quadratic Formula and Square Root Method

Choose the best method to solve this quadratic:

​ (a)  

3x² - 21 = 3

• Square Roots

• ZPP

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​ (a)  

-3 = 4x² + 9x

• Quadratic Formula

• Square Roots

• ZPP

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​​ (a)  

x² + 8x - 13 = 0

• Square Roots

• ZPP

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​ (a)  

2(x + 2)² - 5 = 8

• Square Roots

• Quadratic Formula

• ZPP

Tags

CCSS.HSA-REI.B.4B

Solve (x+2)²=5

• x=-2+√5

• x=-2+√5, x=-2-√5

• x=√3

• x=√3, x=-√3

Tags

CCSS.8.EE.A.2

Solve.
(x-2)² = 100

• m = -8, 12

• m = 8, 12

• m = ±10

• No real solution

Tags

CCSS.8.EE.A.2

Tags

CCSS.HSA-REI.B.4B

• x = 9 or x = -9

• no solutions

• x = 2 or x = -2

• x = 81 or x = -81

Tags

CCSS.HSA-REI.B.4B

• x = 3  or   x = -3

• no solutions

• x = 6 or x = -6

• x = 3

Tags

CCSS.HSA-REI.B.4B

Solve for x.

x² - 13 = 12

• x = ± 25

• x = ± 5

• x = ± -1

• x = ± 1

Tags

CCSS.8.EE.A.2