Question

What is the slope between the two points (8, 15) and (3, 5)?

Answer 1

General linear equation y=mx+c
m=gradient
c=y-intercept

1) First use the gradient formula
m=y2-y1 / x2-x1
m= 5-15 / 3-8
m = .......... (you can do this)

now use one point, lets choose (3,5) and the gradient we found m=....
and substitute back into the general equation y=mx + c
we then are able to find c.
Now we rewrite the whole equation with the gradient and c.

Try it yourself and I will check it.

Answer 2

1/2

Answer 3

nope.

Answer 4

(8,15) and (3,5)
x1,y1 x2,y2
m(gradient)= 5-15 / 3-8
=........

Answer 5

2

Answer 6

yes that is correct.