7.3B Notes - Solving Quadratic Equations Using Square Roots

After taking the square root of each side, we will get x + 3 = ?

• ± 3

• 3

• -3

• ± 9

• x = 3, x = -3
• x = 1, x = -7
• x = 0, x = -6
• x = 2, x = -4

What steps will be used to solve for x in this equation?

Step 1: ​ (a)  

Step 2: ​ (b)  

Step 3: ​ (c)  

• Divide each side by 2.
• Take the square root of each side.
• Add 4 to each side.