Question

Write the equation of the line that has these points (-2,8),(-1,4),(0,0),(1,-4),(2,-8)

Answer 1

@Hares333 ?

Answer 2

equation of a line=y=mx+b

Answer 3

first find slope?

Answer 4

\[m=\frac{\Delta y}{\Delta x}\]

Answer 5

can you solve it?

Answer 6

no...

Answer 7

i cant find the slope/y intercept .

Answer 8

http://www.virtualnerd.com/algebra-1/linear-equation-analysis/slope-intercept-from-point-and-parallel-line.php?&sid= go through this link and you understand

Answer 9

whats the slopee?

Answer 10

& the yintercept , then i can figure it outt

Answer 11

http://www.virtualnerd.com/pre-algebra/linear-functions-graphing/slope-definition.php?&sid=

Answer 12

take any two points and slope =y2-y2/x2-x2

Answer 13

y2-y1/x2-x1

Answer 14

got it @Katieann16

Answer 15

nope .

Answer 16

http://www.mathwarehouse.com/algebra/linear_equation/slope-of-a-line.php

Answer 17

got it @Katieann16

Answer 18

@Katieann16

Answer 19

is the slope -4

Answer 20

yaa

Answer 21

ok, how do i find y- intercept .

Answer 22

y-intercept=b

Answer 23

http://en.wikipedia.org/wiki/Y-intercept

Answer 24

i got b=4x+y

Answer 25

.......

Answer 26

yup!

Answer 27

so that is the answer?

Answer 28

y=-4x+b