topic 2 function Flashcards
(16 cards)
1
Q
no real roots
A
discriminant < 0
2
Q
1 real root
A
discriminant = 0
3
Q
2 real roots
A
discriminant > 0
4
Q
amplitude (A) in y=Asin(x)
A
( ymax - ymin ) / 2
5
Q
Principal Axis (C) in y=sin(x) + C
A
( ymax + ymin ) / 2
6
Q
f(x) reflected in the x-axis
A
- [f(x)]
7
Q
f(x) reflected in the y-axis
A
f(-x)
8
Q
sin(π-x)
A
sin(x)
9
Q
sin(A-B)
A
sin(A)cos(B) - cos(A)sin(B)
10
Q
sin(A+B)
A
sin(A)cos(B) + cos(A)sin(B)
11
Q
cos(A-B)
A
cos(A)cos(B) + sin(A)sin(B)
12
Q
cos(A+B)
A
cos(A)cos(B) - sin(A)sin(B)
13
Q
sin(x)/cos(x)
A
tan(x)
14
Q
R
A
Any number
15
Q
Q
A
Rational
16
Q
Z
A
Integer
Not decimal
