Solving Equations
Solving Inequalities
Express-ions
Functions
Function Notation
100
13=7-x
x=-6
100
Solve and graph...
4+x>24
x>20
100
Simplify the expression
2x-4x+9-4x+2-1+9x
3x+10
100
Is this a function?
Yes, it passes the vertical line test.
100
Find f(2)
f(x)=3x+11
17
200
3=x/5+2
x=5
200
9x<27
x<3
200
Evaluate the Expression
8/(9-7)
4
200
Is this a function?
No
200
Find f(5)
f(x)=2x-12
-2
300
Solve the Equation
-1/2*x=6
x=-12
300
Solve and Graph
-1/3*x<4
x>-12
300
Evaluate the Expression
(2+8)(-1)
-10
300
Is this a function?
Yes
300
f(x)=3x+11
If f(x)=44 what is x?
3
400
Solve for x.
-3(2x-5)=-7(y-2)
x=-1
400
Solve and graph...
7x>42 or -x>-3
x>6 or x<3. See Graph.
400
Evaluate the Expression
(12-4)(2+8)
40
400
Is the following a linear function?
If so how do you know?
x | y
-5 | -12
-3 | -9
-1 | -6
1 | -3
3 | 0
5 | 3
Yes
400
f(x)=2(x-4)+7
if f(x)=7, what is x?
4
500
Solve for y.
4x-2y=10
y= 2x-5
500
Solve and Graph
3<4x-1<11
x>1 and x<3. See Graph
500
Simplify the expression
3(2x-3)+(2x+4x)(2-3)-8(-2x-1)
16x-1
500
What is the definition of a function?
A relation in which every input has one and only one output.
500
find f(-7)
f(x)=-3(x+9)+8
2