1
Q
quadratic expression
A
2
Q
What do you call an expression such as
A
The difference of 2 squares
3
Q
What is a parbola?
A
A parbola is a U-shaped symmetrical curve.
It can be defined as the graph of a quadratic equation (y = ax² + bx + c)
4
Q
When do you use the quadratic formula?
A
When the quadratic expression cannot be factorised, you can solve the equation by using the quadratic formula
Maths Leaving Certificate
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