Quadratics Flashcards
1
Q
Quadratic Equation in General Form
A
f(x)=ax2+bx+c
2
Q
Quadratic Equation in Standard Form
A
f(x)=a(x-h)2+k
3
Q
Zero-Product Property
A
AB=0
If and only if
A = 0 or B=0
4
Q
Completing the square of
x2+bx
A
Add (b/2)2. This gives the perfect square
5
Q
Quadratic Formula
A
6
Q
Discrimant
A
D = b2-4ac
7
Q
Discriminant is greater than zero (positive)
A
The equation has two distinct real solutions
8
Q
The Discrimant equals zero
A
The equation has one real solution
9
Q
The Discriminant is less than zero (negative).
A
The equation has no real solutions.
