Chapter 4: Quadratic Equations Flashcards
1
Q
state the formula for completing the square
A
a^2 - b^2 = (a+b)(a-b)
2
Q
state the quadratic formula
A
x = -b±√b^2 - 4ac / 2a
3
Q
what is the discriminant
A
b^2 - 4ac
state the formula for completing the square
a^2 - b^2 = (a+b)(a-b)
state the quadratic formula
x = -b±√b^2 - 4ac / 2a
what is the discriminant
b^2 - 4ac