Finding m & b
Finding slope from 2 points
Slope-Int Form
Intercepts
Solving Equations
Graphing
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: (0 , -8)
100
(6,5) & (5,4) Slope= ?
Slope = 1
100
Given slope and y-intercept, write the equation.
m = -7
y-intercept = 3
y = -7x + 3
100
State the y-intercept of the equation.
y = 2x+3
(0,3)
100
If x = 3, then y = ?
y = 3x-1
8
100
Name point B
(-3,-1)
200
State the slope and y-intercept from the graph.
m = 1
b: (0 , 0)
y = 1x + 0
or
y =1x
200
(3,1) & (8,4) Slope=?
slope = 3/5
200
Given slope and y-intercept, write the equation.
m = -8
b: (0 , -20)
y = -8x - 20
200
State the y-intercept of the equation.
y = 25+2x
y - intercept: (0 , 25)
200
If x =-1, solve for y.
y = 2x-2
y = -4
200
Estimate the x - intercept.
(2.5, 0)
300
A horizontal line going through (4,4)
slope = 0
300
-2
300
Given slope and y-intercept, write the equation.
m = -25
b: (0 , 100)
y = -25x + 100
300
If you were going to graph the following line, what is the very first point you would plot?
y = 3x-4
y - intercept: (0 , -4)
300
Find a solution to y = 2x+5
answers vary
300
Is this graph increasing or decreasing? (is the slope positive or negative)
y = 3-2x
decreasing
400
State the slope and y-intercept from the graph.
m = undefined
b: none
400
(1,1) & (6,10) Slope=?
slope = 9/5
400
Given slope and y-intercept, write the equation.
m = -1/2
b: (0 , 0)
y = -1/2x
400
The points (1,2) and (0,3) are on a line. What is the y-intercept of the line?
(0,3)
400
Name a point on the line y = x-4
answers vary
400
Is this graph increasing or decreasing?
y+x = 2
decreasing
500
Identify the slope and y-intercept of the equation.
y-3=x
slope = 1
y-intercept = 3
500
(-3, 6) & (-3,4) Slope= ?
Slope = Undefined
500
Given the graph, write the equation.
y = 3x + 2
500
What is the y-intercept of the following line?
12y =3x + 24
2
500
What are the coordinates of point f?
(-3,0)
500
Is this line horizontal or vertical?
y = -4
horizontal
600
Identify the slope and y-intercept of the equation
2y=x-6
slope = 1/2
y-intercept = -3
600
( 2 , 5 ) and ( 3 , 9 ) find the slope.
slope = 4
600
Sketch a graph of this equation.
(Does not have to be exact)
y = -3x + 2
varied
600
State the y-intercept.
(0,2)
600
Write the coordinates of these two points.
(1,4)
(-2,2)
600
What kind of line has an undefined slope? You must use the correct vocabulary.
vertical