Question

Find an equation of the given line containing the given pair of points .
(-8,-8) and (6,6) how do you do these problems

Answer 1

ok first u have to find the slope.. do u know how?

Answer 2

not really

Answer 3

ok here is the formula :

(x1,y1) , (x2,y2)

y2-y1/ x2-x1

Answer 4

now try using the points u have..

Answer 5

trying??

Answer 6

so it will be -8-6
then 6-8 right

Answer 7

no..

Answer 8

and it will be the same for both anyway.. b/c u have same points

Answer 9

ok see..

u have (-8,-8) (6,6) , just apply the formula u will get

6+8/6+8

14/14

1

do u get it? or not really?

Answer 10

do u need help

Answer 11

so im adding 6+8 which is 14 so the answer would be 14

Answer 12

yes its 14 but 14/14 is 1 right? do u agree??

Answer 13

Required eq. of line is:
(y+8)/(6+8)=(x+8)/(6+8)
=>y+8=x+8
=>y=x

Answer 14

ok u have a slope of 1 , now we want to find the line, i prefer using y=mx=b (or if u want u can use y-y1=m(x-x1) but now now we will use y=mx+b ok?

y=mx+b ( u can choose any point u want from the 2 points) ill choose (6,6) (x,y)
6=1(6)+b
6=6+b
b=0 (we found the y-intercept which is zero

ao the equation is y=x