anonymous
  • anonymous
how to rewrite the equation in function form. 7+7x=8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
are you sure you posted the question correctly?
anonymous
  • anonymous
oops y+7x=8
M
  • M
y = -7x + 8

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More answers

M
  • M
y = f(x) = -7x + 8
anonymous
  • anonymous
8y-16x=4
M
  • M
y = (4 +16x)/8
M
  • M
you just want to isolate y
anonymous
  • anonymous
ok, don;t understand the/8
M
  • M
it's a function becuase you can plug in for x and you'll get a function of x or a y
M
  • M
this is how you will plot points on xy plane graph
M
  • M
plug in for x coordinates and you get y coordinates
M
  • M
when they ask you to rearrange in function for then just solve for y lol
anonymous
  • anonymous
tell wether the ordered pair is a solution of the equation? 7=3x+4;(1,6)
M
  • M
yes it is
M
  • M
when you see (1, 6) that usually means (x, y)
M
  • M
plug in 1 for x then 7 = 3 (1) + 4
anonymous
  • anonymous
ok don't laugh at me heres another one, 7=-5x=2;(-3,-13)
M
  • M
you wrote it wrong i think
anonymous
  • anonymous
y=-5x=2
M
  • M
no
M
  • M
-5(-3) = 15
M
  • M
y = -13 so it's wrong
anonymous
  • anonymous
ok get it. how bout this 1. Your science class wants to visit an aquarium. Tickets cost $12.95/person. You also need to pay for the bus, which is $120. use the equation C=12.95p+120. where C is the total cost of the trip and p is the number of people going. If the final cost is $767.50, how many people went on the trip?
M
  • M
just plug in 767.50 for C
M
  • M
then solve for p
M
  • M
(767.50 - 120)/12.95 = p
anonymous
  • anonymous
o ok, thank you sooooo much
M
  • M
p = 50
M
  • M
ok good luck :)

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