Functions 2 Flashcards
(16 cards)
1
Q
af(x)
A
stretch along y axis (vertical stretch)
2
Q
-f(x)
A
reflection in x axis
3
Q
f(x)+k
A
translation along y axis (vertical translation)
4
Q
f(x-k)
A
translation along x-axis (horizontal translation)
5
Q
f(kx)
A
stretch along x-axis
6
Q
f(-x)
A
reflection on y-axis
7
Q
standard form
A
ax^2 + bx + c
8
Q
vertex form
A
y= a(x-h)^2+k
9
Q
intercept form
A
y= a(x-p)(x-q)
10
Q
converting from standard to vertex
A
complete the square
11
Q
converting from standard to intercept
A
find x-intercepts and inverse signs
12
Q
convert from intercept to standard
A
expand
13
Q
converting from vertex to standard
A
expand
14
Q
-b^24ac>0
A
two real roots
15
Q
-b^24ac=0
A
two repeated roots (one real root)
16
Q
b^2-4ac<0
A
no real roots
