Solving Square Roots

What is the parent function of square root functions?

• f(x) = x

• f(x) = √x

• f(x) = -√x

• f(x) = x²

What is the first step to solving a square root equation?

• Isolate the radical

• Square both sides

• Solve Algebraically

• Plug in the solution to the equation

Tags

CCSS.HSA.REI.A.2

After isolating the radical, what is the next step?

• Square both sides

• divide

• plug in the solution

• isolate the variable

Tags

CCSS.HSA.REI.A.2

• Add 11 

• Divide by -1

• Square both sides

Tags

CCSS.HSA.REI.A.2

• Subtract both sides by 2

• Add 2 to both sides

• Divide both side by -2

• Square both sides

Tags

CCSS.HSA.REI.A.2

What is the first step to solve this equation?

• Add 6 to both sides
• Square both sides
• Square root both sides

Tags

CCSS.HSA.REI.A.2

• 87

• no solution

• 23

Tags

CCSS.HSA.REI.A.2

• 8

• -20

• -8

• 20

Tags

CCSS.HSA.REI.A.2

• -4

• 0

• no solution

• 4

Tags

CCSS.HSA.REI.A.2

• 87

• no solution

• 23

Tags

CCSS.HSA.REI.A.2