Quadratics: Solving by Graphing and Factoring

Front

What is another word that describes the zeroes of a quadratic function?

Back

x-intercepts

Front

What is the greatest number of solutions that a Quadratic Equation can have?

Back

2

Front

What is the axis of symmetry in a quadratic function?

Back

A vertical line that divides the parabola into two mirror images, given by the formula x = -b/(2a).

Front

How many solutions does a quadratic function have if the discriminant is positive?

Back

Two real solutions.

Front

How many solutions does a quadratic function have if the discriminant is zero?

Back

One real solution.

Front

How many solutions does a quadratic function have if the discriminant is negative?

Back

No real solutions.

Front

What are the x-intercepts of the function y = x^2 - 4?

Back

x = -2 and x = 2.

Front

What is the vertex of the quadratic function y = ax^2 + bx + c?

Back

The point (h, k) where h = -b/(2a) and k = f(h).

Front

What does the graph of a quadratic function look like?

Back

A parabola that opens upwards if a > 0 and downwards if a < 0.

Front

What is the standard form of a quadratic function?

Back

y = ax^2 + bx + c.