Question

Write the equation of each line in slope-intercept form.

x=-2, 1, 4 , 7
f(x)= -14, -5, 4, 13

Answer 1

These numbers were shown in a box, one over the other. for example, -2 is in the x row over -14 in the f(x) row

Answer 2

do you know how to find the slope?

Answer 3

I'm just confused on where to begin

Answer 4

\[m=\frac{y_2-y_1}{x_2-x_1}\]
this is formula for slope

Answer 5

\[m=\frac{-14-(-5)}{-2-1}\]

Answer 6

the bottom row is the y's
top row is the x's

Answer 7

sorry i was having some internet issues

Answer 8

\[m=\frac{-14+5}{-3}=\frac{-9}{-3}=3\]

Answer 9

all i did was simplify the slope i had above

Answer 10

now you need the y-intercept

Answer 11

so first of all slope intercept form looks like this
\[y-y_1=m(x-x_1)\]

Answer 12

we know m from above

Answer 13

so we have
\[y-y_1=3(x-x_1)\]

Answer 14

now enter any of the points you were given and you are done
you could enter (-2,-14) or (1,-5) or (4,4) or (7,13)