Unit 2 – Graphing Linear Equations
Name
Date
Thursday October 1, 20015
Homework: Finding missing values using slope
Find the value of x or y so that the line through the points has the given slope.
8
5
1.
( x,3) and ( 9, −5)
m=−
3.
(8, −5) and ( 9, y )
m=8
5.
( 9,1) and ( −1, y )
m=0
7.
( x,1) and ( −6, −1)
m=
1
2
2.
( −4, −3) and (1, y )
4.
( −7, 2 ) and ( x, −3)
6.
( −9, 4 ) and ( x,8)
8.
( x,6 ) and ( 4,0 )
m=−
6
5
m = −5
m is undefined
m=−
3
5
9.
Plot point A ( −1, −4 ) , then plot point B so that the rate of change
2
5
between point A & point B is − .
What are the coordinates of point B?____________
10.
Plot a point in quadrant II and label it A. What are the coordinates of
point A?
_____________
Plot point B so that the rate of change between point A & point B is 2.
What are the coordinates of point B?
_____________
1
3
Given the function f ( x) = x − 5 , find the requested values:
Find x if f ( x) = −3
11.
Find f ( −6 )
13.
Calculate the slope of the line that contains the points (12,5 ) and (13,3)
14.
Calculate the slope of the line that contains the points ( −12, −15) and ( −6, −18)
15.
Calculate the rate of change of the line if f ( 0) = 1 and f ( 6) = 2
16.
Calculate the rate of change of the line if f ( −15) = −4 and f ( −17 ) = 12
12.