anonymous
  • anonymous
http://prntscr.com/8n6pbw http://prntscr.com/8n6pg8 http://prntscr.com/8n6pjb http://prntscr.com/8n6pmv
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@AlexandervonHumboldt2
AlexandervonHumboldt2
  • AlexandervonHumboldt2
for the first you answered correctly
AlexandervonHumboldt2
  • AlexandervonHumboldt2
for second you answered incorectly a little: look perpendicular line have NEGATIVE reciprocal slopes in your answer the lines have just reciprocal slopes

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anonymous
  • anonymous
so would the answer be C?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
yes
AlexandervonHumboldt2
  • AlexandervonHumboldt2
what do you think for third?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
ok so for third 1st rewite the equation in slope-intercept form: 2x+6y=-4 in slope intercept it would be y=-1/3x - 2/3
AlexandervonHumboldt2
  • AlexandervonHumboldt2
now we have this equation: y=-1/3x - 2/3 y=-1/3x+b substitute the coordinates: -3=1/3*3+b b=-3-1=-4 so the equation is y=-1/3x-4 now rewite this in standart form and get your answer
anonymous
  • anonymous
@AlexandervonHumboldt2 Hallo mein Name ist SweetBeat , wie ist Ihr Name und was ist dieses " Steigungsschnittform" Du willst diese Person sagen? Sie sprechen Deutsch , ja? Oder Nein?
anonymous
  • anonymous
ok give me a second
anonymous
  • anonymous
Wenn Sie mir bei etwas helfen , das wirklich machen würde mein Tag !|dw:1443861916216:dw|
AlexandervonHumboldt2
  • AlexandervonHumboldt2
wait i seems to make a mistake
anonymous
  • anonymous
i got 3y+x=12
anonymous
  • anonymous
-12*
anonymous
  • anonymous
Entschuldigen Sie , aber könnten Sie mir helfen? @ AlexandervonHumboldt2
AlexandervonHumboldt2
  • AlexandervonHumboldt2
yeah i sems to make a mistake let me redo
AlexandervonHumboldt2
  • AlexandervonHumboldt2
it should have been 3y+x=-6
AlexandervonHumboldt2
  • AlexandervonHumboldt2
yeah i redid it it is 3y+x=-6 @kittymeow101
AlexandervonHumboldt2
  • AlexandervonHumboldt2
ok lets move to fourth question
anonymous
  • anonymous
so thats the final answer
AlexandervonHumboldt2
  • AlexandervonHumboldt2
yeah
anonymous
  • anonymous
ok
AlexandervonHumboldt2
  • AlexandervonHumboldt2
so for the fourth question the slope formula is (y1-y2)/(x1-x2)=(-6+12)/(-3+1)=6/(-2)=???
AlexandervonHumboldt2
  • AlexandervonHumboldt2
we get that the slope of line C is -3. but we need the slope of line perpendicular to line C. So what is the NEGATIVE RECIPROCAL of -3 @kittymeow101 ?
anonymous
  • anonymous
-1/3?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
no
AlexandervonHumboldt2
  • AlexandervonHumboldt2
1/3 instead of -1/3
AlexandervonHumboldt2
  • AlexandervonHumboldt2
does that make sense?
anonymous
  • anonymous
yes and would this http://prntscr.com/8n6u56 be done the same way?
AlexandervonHumboldt2
  • AlexandervonHumboldt2
yes first count the slope using slope formula i gave you then the slope of the line parallel to the given line would be the same. dont forget that in this question they need slope of parallel line. it would be the same as the slope you will count of line A
AlexandervonHumboldt2
  • AlexandervonHumboldt2
so look: (y1-y2)/(x1-x2)=(2-6)/(1-3)=(-4)/(-2)=4/2=2 the slope of line A is 2 thus the slope of parallel line is.............
anonymous
  • anonymous
it would be -2 or 2
AlexandervonHumboldt2
  • AlexandervonHumboldt2
slopes of parallel line are equal: as the slope of line A is 2 then it would be 2
anonymous
  • anonymous
ok ty sooooooo much for helping

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