anonymous
  • anonymous
Choose the equation of the line passing through the point (-2, 4) and perpendicular to y = -negative one halfx + 4. y = 2x + 8 y = 2x y = -2x - 8 y = -2x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@jim_thompson5910
triciaal
  • triciaal
when lines are perpendicular the product of the slopes is -1 slope of line 1 = m slope of perpendicular = -1/m
anonymous
  • anonymous
okay

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More answers

triciaal
  • triciaal
find the slope and you have 2 points any point (x,y) and given (-2, 4) the slope is the same for any 2 points on a particular line
anonymous
  • anonymous
Alright I get it so far
triciaal
  • triciaal
|dw:1438573400221:dw|
anonymous
  • anonymous
okay
triciaal
  • triciaal
what is the slope of the given line?
anonymous
  • anonymous
-1/2?
triciaal
  • triciaal
yes so what is the slope of the perpendicular?
anonymous
  • anonymous
4
triciaal
  • triciaal
no read again how do you find the slope of the perpendicular
anonymous
  • anonymous
okay would it be 1/2?
triciaal
  • triciaal
|dw:1438573747951:dw|
anonymous
  • anonymous
oh okay
anonymous
  • anonymous
I'm not sure how to solve that
triciaal
  • triciaal
|dw:1438573891894:dw|
triciaal
  • triciaal
go back to basics to divide by a fraction invert and multiply
anonymous
  • anonymous
I got 1 = 2.2
anonymous
  • anonymous
-1 sorry
triciaal
  • triciaal
take your time
anonymous
  • anonymous
-1 = -3 ?
triciaal
  • triciaal
no what is 2 multiplied by 1 and what is the sign when a negative is divided by a negative
anonymous
  • anonymous
2 positive
triciaal
  • triciaal
thank you! so the slope of the perpendicular is 2 and it passes through the point (-2, 4) m = 2 x = -2 and y = 4 now write your equation
triciaal
  • triciaal
solve for b rewrite for any (x, y)
anonymous
  • anonymous
can you give me the equation for the slope again?
triciaal
  • triciaal
|dw:1438574716508:dw|
anonymous
  • anonymous
what would I have to plug in?
triciaal
  • triciaal
will you please take the time to read the responses
anonymous
  • anonymous
I have read the responses but I dont see another equation that I can plug in for y1,x1, x2 and y2
triciaal
  • triciaal
|dw:1438574974543:dw|
anonymous
  • anonymous
B would be 8
triciaal
  • triciaal
so y = 2 x + 8 agree?
anonymous
  • anonymous
Yes
triciaal
  • triciaal
review read the question and mark your answer
triciaal
  • triciaal
any questions about the steps used?
anonymous
  • anonymous
Nope. No questions. Thank you.
triciaal
  • triciaal
ok you are welcome please review so you can do on your own quickly
anonymous
  • anonymous
srry my computer is slow. It might take a while to get it through

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