Algebra 2 Solve Quadratic by Square Roots

Solve by the Extraction of Roots method: x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

Solve by the Extraction of Roots method: (x - 2) ² = 49

• 9 or -5

• ± 9

• ± 5

• ± 7

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square... x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the equation by completing the square and then finding the roots. 
x²+ 6x - 4 = 36

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

Tags

CCSS.HSA-REI.B.4B

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

• {-3, 1}
• (x - 3)(x + 1)
• {3}
• {1}

Tags

CCSS.HSF-IF.C.7A

Solve each equation

You can solve this equations by using the ​ (a)   on your calculator, by pressing the ​ (b)   button or by finding the ​ (c)   of each number. 1) x^2= 225; x=​ (d)   . 2) x^2=49; x=​ (e)  

• c. equation solver

• square root

• 15

• 7

• math

Tags

CCSS.8.EE.A.2