Quadratic Function and Equations

Find the roots of this equation
x² + x - 6 = 0

• 4, -1

• 3, -2

• -6, 1

• 2, -3

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - x²

• y = 3x³ - 4x + 5

• A = pi.r²

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

• the axis of symmetry

When a parabola opens downward the vertex is

• a minimum

• a maximum

• a vertex

• a parabola

The formula
b² - 4ac
is called the

• quadratic formula

• factored form

• vertex formula

• the discriminant

The discriminant finds the

• number of solutions

• x-intercepts

• y-value of vertex

• y-intercept

The equation
y = x² -12x + 36 has

• solution

• solutions

• no solutions