Algebra & Functions Flashcards
1
Q
Solve for the Expression
(x+y)^2 =
A
x^2 + 2xy + y^2
2
Q
Solve for the Expression
(x-y)^2 =
A
x^2 - 2xy + y2^2
3
Q
Solve for the Expression
x+y)(x-y
A
x^2 - y^2
4
Q
Exponents
y^4 + y^3 =
A
y^4 + y^3
Can’t do anything with it.
5
Q
Exponents
(8^m)^2 =
A
8^2m
6
Q
Exponents
y^3/5 =
A
root y^3 with 5 outside
7
Q
Exponents
y^-3/5
A
1 / root y^3 with 5 on the outside
8
Q
Functions
y = f(x+1)
A
Shifts 1 to the left
9
Q
Functions
y= f(x-1)
A
Shifts 1 to the right
10
Q
Functions
y= f(x) + 1
A
Shifts 1 up
11
Q
Functions
y= f(x) - 1
A
Shifts 1 down
12
Q
Functions
-f(x)
A
Negates y-values
Flips about the x-axis
13
Q
Functions
f(-x)
A
Negates x-values
Flips about the y axis
14
Q
Functions
What happens to the x-intercept when you reflect about the x-axis?
A
Nothing. Stays the same.
15
Q
Functions
What happens to the y-intercept when you reflect about the y-axis?
A
Nothing. Stays the same.
