Finding X-intercepts of Quadratics

Front

What is the graph of a quadratic called?

Back

Parabola

Front

Which is an x-intercept of the graph?

Back

-1

Front

Which is an x-intercept of the function?

Back

1

Front

Determine the x-intercepts: y = x^2 - 9

Back

x = 3, -3

Front

The x-intercepts of a quadratic equation are known as the _____

Back

zeros

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c

Front

How do you find the x-intercepts of a quadratic equation?

Back

Set y = 0 and solve for x.

Front

What does the vertex of a parabola represent?

Back

The highest or lowest point of the graph.

Front

What is the axis of symmetry in a quadratic function?

Back

A vertical line that divides the parabola into two mirror images.

Front

What is the formula to find the vertex of a parabola in standard form?

Back

x = -b/(2a)