Write an equation of a line that is perpendicular to the line x-2y=8

y=-2x-4

Step-by-step explanation:

First you make the equation in y=mx+b form

x-2y=8

-2y=-x+8

y=1/2x-4

Then find the perpendicular line by finding the opposite reciprocal of the slope.

y=-2x-4

b

step-by-step explanation:

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.