marcelie
  • marcelie
help pleaseeeee Write an equation for a line parallel to f (x) = − 5x − 3 and passing through the point (2, –12).
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Do you know how to plot your graph?
marcelie
  • marcelie
yes
LynFran
  • LynFran
hint when two lines are parallel their slope are equal...(they have the same slope) equation of a line ==> y=mx+b when m=slope and b = y-intercept

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More answers

marcelie
  • marcelie
is my answer : f(x)= -5x-2 ?
LynFran
  • LynFran
points (2,-12) m=-5 y=mx+b -12=(-5)(2)+b -12=-10+b -12+10=b -2=b yes y=-5x-2
marcelie
  • marcelie
Okay. I need help with this one . How do i solve it ? Find the point at which the line f (x) = 2x + 5 intersects the line g(x) = − 3x − 5.
anonymous
  • anonymous
okay, can you graph both of the lines?
LynFran
  • LynFran
to find where they intersect we equate the two function and solve for x ... 2x+5=-3x-5
LynFran
  • LynFran
2x+5=-3x-5 2x+3x=-5-5 5x=-10 x=-2
LynFran
  • LynFran
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LynFran
  • LynFran
|dw:1441416313781:dw|
LynFran
  • LynFran
the line in black is the f(x)=-3x-5
marcelie
  • marcelie
how did you get those points ? I know my graphing. But did u pick the main points ?
LynFran
  • LynFran
first i found the intercept for both function to see when y=0 what will x be well the y intercept is already in the function y=mx+b where b=y-intercept
LynFran
  • LynFran
and we just found where they intercept so...
marcelie
  • marcelie
ah okay . I understand now xD
LynFran
  • LynFran
ok

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