Quadratics and Functions

What is a discriminant?

Which one is the discriminant for when a quadratic equation has two equal roots?

If a line intersects a quadratic curve at two distinct points, what will be the discriminant?

A one-one function is when

• Each object has only one image

• Each image has only one object

The range of a function is the set of ?? -values

• y-axis

• x-axis

• Complete the square and make x as the subject

• Complete the square, make y as the subject