f(x) = -3x - 4
f(2)
-10
(5, 7) and (3, 6)
1/2

What is 0
(3,1), (1, 5), (4, 7) , (3, -1), (2, 8)
NO
Name the two things you need to write the equation of a line.
Slope and y-intercept
Simlify
2x(5x2)
10x3
g(x) = 2x2 +4x - 2
g(-3)=
4
(5, -2) and (-7, 2)
-1/3

What is undefined
(1, 4) , (2, 5) , (-1, -2) ,
(-2, 7) , (3, 3)
YES
Write the equation of the line.
Slope: 1/6
Goes through the point (12,0)
y=1/6x -2
-4(-2x2)3
32x6
h(x) = -x2 + 2x + 5
h(-4) =
-19
(0, 12) and (-4, 0)
-3
What is the slope?
-2/3
Is the graph of a function?
No
Write the equation of the line.
Slope: -1/6
Goes through the point (6,-2)
y=-1/6 x - 1
-2x-56x3
-12
x2
k(x) = l-2x-3l -x2
k(3) =0
(-4,3) and (2,7)
2/3
What is the equation of the line?

y = 1/2 x + 3
(1, 4) , (2, 5) (-1, 4) ,
(-2, 7) , (3, 4)
YES
Write the equation of the line that goes through the points (1,17) and (6, 7)
y=-2x+19
-3x0(-x62x-6)
6
f(x) = -3x-3
f(-2) =
3/8
(-4,10) and (-4, -5)
Undefined
What is the equation of the line?

y = -3x -2
Explain in your own words when something is not a function.
One input gives more than one output.
Write the equation of the line that goes through the points (-6,-4) and (3, -4)
y= -4
2x3(4x5)-2
1
8x7