Solving Quadratics Using Square Root Method

Solve for x     x² - 4 = 76

• x = 4 , -4

• x = 4√5    ,  -4√5

• x = 80   ,  x = -80

• x = 5√4    or    -5√4

Tags

CCSS.8.EE.A.2

Solve
(x+3)²-5 = 9

• ±√14 -3

• √14 - 3

• ±11

• ±5

Tags

CCSS.8.EE.A.2

Solve

(x-3)² = -20

• ±√17

• ±2i√5 +3

• ±2√5 +3

• ±i√17

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve the following Quadratic Equation using Square Roots:

Tags

CCSS.HSA-REI.B.4B

Solve the following Quadratic Equation using Square Roots:

Tags

CCSS.HSA-REI.B.4B

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Tags

CCSS.HSA-REI.B.4B

Solve the equation using the square root method. Simplify!

Tags

CCSS.HSA-REI.B.4B

When do you use the plus or minus symbol?
±

• After taking the square root of both sides

• After adding the square to both sides

• After taking half of b

• After setting the equation equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve by using the square root method:

• No Solution

• x = 3, -3

• x = -21, 21

• x = 7, -7

Tags

CCSS.HSA-REI.B.4B

Solve by using the square root method:

• No Solution

• x = 3, -3

• x = -21, 21

• x = 7, -7

Tags

CCSS.HSA-REI.B.4B