Page 24 - Calculus Demystified
P. 24
Basics
CHAPTER 1
y 11
R = (3,6)
Q = (1,3)
_
P = ( 1,0)
x
Fig. 1.16
y
_
R = ( 2,10) 10
8
_
S = ( 1,5) 6
4
2
2 46 x
_
T = (1, 5)
Fig. 1.17
EXAMPLE 1.9
Calculate the slope of the line in Fig. 1.17.
SOLUTION
We use the points R = (−2, 10) and T = (1, −5) to calculate the slope of
this line:
10 − (−5)
m = =−5.
(−2) − 1
