monkey*
  • monkey*
Can anyone help with Precalculus?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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monkey*
  • monkey*
Find an equation in slope-intercept form of the line that has slope 5 and passes through point A (4,-5) Y=5x+25 Y=-5x-25 Y=25x-5 Y=5x-25
Mehek14
  • Mehek14
so lets try A
Mehek14
  • Mehek14
put 4 for x and -5 for y \(-5= 5*4 +25\) tell me if it's tru

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More answers

SolomonZelman
  • SolomonZelman
Mehek, if slope is 5, then it is just 5x (not -5x). For any slope m it would be mx
Mehek14
  • Mehek14
true*
SolomonZelman
  • SolomonZelman
y=mx+b -5=(5)4+b -5=20+b b=-25 y=5x-25
SolomonZelman
  • SolomonZelman
I don't get why is it precalculus though, if it is algebra
Mehek14
  • Mehek14
it is Algebra
Mehek14
  • Mehek14
@monkey* have you tried solving it?
monkey*
  • monkey*
Most of my problems are like this. And yes @mehek14. So I would use y=mx+b, right?
Mehek14
  • Mehek14
correct
Mehek14
  • Mehek14
so plug in the ordered pairs and see which equation goes with it
monkey*
  • monkey*
Okay, one minute.
monkey*
  • monkey*
It would be y=5x-25?
Mehek14
  • Mehek14
correct \(\ddot\smile\)
monkey*
  • monkey*
Thank you! Would you mind helping with a few more?
Mehek14
  • Mehek14
sure
monkey*
  • monkey*
Okay. Write an equation in standard form the passes through points (-4,10) and (0,-5).
monkey*
  • monkey*
Start me off? I'll figure it out from there.

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