Quadratics TEST

Front

What are the green dots called?

Back

roots or x-intercepts

Front

Identify the a in the quadratic equation: f(x) = -x² - 4x + 12.

Back

-1

Front

What is the equation to the graph?

Back

y = - x² - 4x - 7

Front

What is the equation of the graph?

Back

y = (x + 4)(x + 2)

Front

What is the equation of the axis of symmetry?

Back

x = 0

Front

What is a quadratic equation?

Back

An equation of the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.

Front

What is the vertex of a parabola?

Back

The highest or lowest point of the parabola, depending on its orientation.

Front

What does the 'a' value in a quadratic equation determine?

Back

The direction of the parabola (upward if a > 0, downward if a < 0) and the width of the parabola.

Front

What are the roots of a quadratic equation?

Back

The values of x that make the equation equal to zero; also known as x-intercepts.

Front

How do you find the axis of symmetry for a quadratic equation?

Back

The axis of symmetry can be found using the formula x = -b/(2a).