**New Topic: Quadratic Theory**

By the end of this topic you will be able to:

• Given the nature of the roots of a quadratic equation, use the discriminant to find an unknown

• Finding the coordinates of the point(s) of intersection of a straight line and a curve or of two curves

• know condition for tangency; intersection of line and parabola (lines and curves)

• solve quadratic inequalities

**Homework:** Quadratic Theory Set1

**Due: **Wednesday 2nd September

Please check the solutions below and attempt the equivalent questions from the Set 2 sheet to those you struggled with first time. These should be handed in with your next homework or earlier. Please see me for help if necessary.

Quadratic Theory Set1 Solutions

🙂

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