Quadratics Flashcards
1
Q
What is the Quadratic Function?
A
-b+-/(b2 – 4ac) / 2a
2
Q
What is the formula for Completing the Square?
A
p(x + q)^2 + r
3
Q
Explain how to solve Disguised Quadratics.
A
ax^4 + bx^2 + c
let y = x^2
ay^2 + by + c
Solve using factorisation
4
Q
How do you solve Quadratic Inequalities?
A
- Solve quadratic equation
- Sketch a graph of the equation
- Decide which is the required set of values
- Shade the area needed.
X < 0 - below
X > 0 - above
5
Q
How do you solve Simultaneous Equations?
A
Same sign = subtract
Different sign = add
Cancel either the x or y value in each equation, then solve for the other
