6.3 GRAPHS
Drawing parabolas
Substituting numbers in quadratic formulas
Learning objectives
At the end of this paragraph you are able to...
- ... calculate if a point is on the graph
- ... draw the graph of a quadratic formula
- ... explain the difference between a linear formula and a quadratic formula.
Which level of difficulty should you choose?
You will get a question to test yourself. If you have no difficulties with the question you should choose the normal path or the in-depth path. If you struggle with the exercise it is wise to choose the supporting path.
The choice is yours, choose wisely.
Which level of difficulty should you choose?
Given the formula y = 2x2 - 1
a) Check whether y = 17 when x = 3.
b) Which y belongs to x = -4
