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8 Cards in this Set

  • Front
  • Back

What are the for inequalities?

< less than

>greater than

and greater than or equal to

and less than or equal to (same signs with lines beneath)

What do you draw on a number line for < or > ?

A circle outline

What do you draw for greater than or equal to and, less than or equal to ?

A filled in circle

What happens when you divide/ multiply by a negative?

You flip the inequality

What if the parabola you draw has a greater than sign?

You look at the part above the x axis?

What if it's a less than sign?

You look at the part beneath the x axis.

What do you do if you have a quadratic inequality?

You factorise.

What do you do if their are no real roots?

Use the discriminant and then factorise.