Solving Quadratic Equations with Square Roots

What is the result of squaring negative one?

• -1

• 1

• 0

• None of the above

When solving x squared equals 9, what are the possible values of x?

• -3

• None

• 3

• Both 3 and -3

What does the square root symbol represent in the context of solving quadratic equations?

• Both positive and negative roots

• Neither

• Only the negative root

• Only the positive root

If y squared equals 20, what is y?

• Both 2 root 5 and -2 root 5

• 2 root 5

• 4.5

• -2 root 5

What is the correct solution for x squared plus 10 equals 91?

• 9

• -9

• Both 9 and -9

• 81

How do you solve a quadratic equation where the squared term is not isolated?

• Directly apply the square root

• None of the above

• Subtract other terms first

• Add other terms

What is the solution for b squared minus 4 equals 32?

• 36

• 6

• -6

• Both 6 and -6

For the equation 3r squared equals 72, what is r?

• 24

• -2 root 6

• Both 2 root 6 and -2 root 6

• 2 root 6

What is the value of v when v squared over 2 equals 50?

• 10

• -10

• 100

• Both 10 and -10

What is the importance of the plus/minus sign in solving quadratic equations?

• It indicates potential multiple solutions

• It suggests there is no solution

• It is used for subtracting terms

• It is used for adding terms