Solving for the Roots

Solve for x

x² = 64

• x = 8, -8

• x = 32, -32

• x = 4, -4

• No real solution

Solve for x

3x² - 27 = 0

• x = 4.9, -4.9

• x = 9, -9

• x = 3, -3

• No solution

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Solve the equation
4x² - 25 = 0

• 5/2, -5/2

• 5/2, 5/2

• -5/2, -5/2

• -5/2, 5/2

What can the roots to a quadratic equation be called? (select all that apply)

• zeros

• solutions

• x-intercepts

• y-intercepts

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

What is another name for the x-intercepts and solutions of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

What's another name for the x-intercepts?

• Factors

• Domain

• Range

• Zeros

What are the roots of quadratic equation?

• Coefficients of the equation

• Solutions to the equation

• The highest exponent of the variable

• The graphical representation of the equation

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry