Inverses Quadratics and Square Roots

Use the square root property to solve the Quadratic Equation.

x² = 49

• x = 7, x = -7

• 7

• -7

• x = 49, x = -49

Solve the equation using square roots.

x² = 121

• 60.5

• 11 and -11

• 12 and -12

• 11

Solve by taking square roots:
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

What is the side length of a square that has an area of 121?

• 11

• 60.5

• 30.25

• 14641

Which point on the number line best represents the location of √92?

• Point M

• Point N

• Point P

• Point Q

Which number line shows a point that best represents the value of √215

• 
• 
• 
• 

Point Q is shown on the number line. Which value is best represented by point Q?

• √5.4

• √29.5

• √35.5

• √5.9

Which of these areas is a perfect square?

• 12

• 90

• 40

• 64

Evaluate
√36

• 6

• -9

• 18

• -18