Roots of Equations

Identify the roots of the equation x^2 + 2x - 15 = 0.

• x = -5, x = 3

• x = 0, x = 15

• x = -1, x = 1

• x = -3, x = 5

What are the roots of the equation x^2 - 5x + 6 = 0?

• x = 0, x = 5

• x = 2, x = 3

• x = -2, x = -3

• x = 1, x = 6

Identify the roots of the equation x^2 + 4x + 4 = 0.

• x = -4

• x = 2

• x = 0

• x = -2

Find the roots of the equation x^2 + 6x + 9 = 0.

• x = -6

• x = -3

• x = 0

• x = 3

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

How many roots are shown in the picture?

• 0

• 1

• 2

• 3

What's another name for the x-intercepts?

• Factors

• Domain

• Range

• Zeros

What is another word for where a parabola passes the x-axis?

• y-intercepts

• roots

• vertex

• axis of symmetry

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

• zeros

• solutions

• x-intercepts

• y-intercepts

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