Chapter 4 Flashcards
1
Q
What is the Vertex form of a quadratic function?
A
f(x) = a(x - h)² + k
2
Q
What is the standard form of a quadratic function?
A
f(x) = ax² + bx +c
3
Q
How do you factor the standard form of quadratic functions?
A
Find numbers that have product ac and sum b
Use the foil method
4
Q
What is the quadratic formula?
A
x = (−b ± √(b² − 4ac))/(2a)
5
Q
What is i equal to?
A
√(1) or 1-2
6
Q
How do you solve a quadratic system?
A
y = ax 2+ bx + c
y = dx 2+ ex + f
ax 2+ bx + c = dx 2+ ex + f