+0

0
46
8

1. find in standard form, the equation of the line that is perpendicular to y=-9x+1 and passes through (10,2)

2.wr ite down the equation of the line that is perpendicular to the y axis and passes through (-5,1)

3.write down the equation of a line parallel to the y axis that passes through(-7,4)

4.every point on a particular line is shifted 2 units down. the resulting line has equaiton y=3x-5. what is the equation of the original line?

May 1, 2020

#1
+1

1. find in standard form, the equation of the line that is perpendicular to y=-9x+1 and passes through (10,2)

The slope  of the given line  = -9

The slope of a perpendicular line  =1/9

So we have

y = (1/9) ( x - 10) + 2      multiply through by 9

9y  = x - 10 + 18

9y  = 1x + 8

1x - 9y = - 8   or    1x - 9y + 8  = 0   May 1, 2020
#2
+1

2. Write down the equation of the line that is perpendicular to the y axis and passes through (-5,1)

The  equation  is

y  = 1   May 1, 2020
#3
+1

3. Write down the equation of a line parallel to the y axis that passes through(-7,4)

The equation is

x   = -7   May 1, 2020
#4
+4

4) -5 means that the line 3x is shifted down 5. This includes the two points. -5+2 = -3/

y= 3x-3

Ask if you don't understand anything

edit: YES I BEAT CPHILL

May 1, 2020
edited by hugomimihu  May 1, 2020
#6
0

LOL!!!!...you guys are tough to keep up with   !!!!   CPhill  May 1, 2020
#7
+3

Haha thanks but we both know you and melody are much smarter than the rest of us generic members lol

hugomimihu  May 1, 2020
#5
+1

4.every point on a particular line is shifted 2 units down. the resulting line has equaiton y=3x-5. what is the equation of the original line?

The equation of the original  line  must have been :

y =  3x - 5 + 2    =   3x - 3   May 1, 2020
#8
+1

thank you!

xxJenny1213xx  May 1, 2020