Phebe
  • Phebe
****RATE OF CHANGE **** http://prntscr.com/7rnwmm
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
nincompoop
  • nincompoop
so every time you see rate of change problem, you are looking for a slope-related solution. can you try to solve the problem now based on the hint I gave you?
Phebe
  • Phebe
Well i was already given that hint. i suppsed to use mx+b right?
nincompoop
  • nincompoop
something like it, but you're missing a lot of other information

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Phebe
  • Phebe
please tell me what im missing. i really need to get this right
nincompoop
  • nincompoop
it has to be an equation
Phebe
  • Phebe
yea it is 5x+3y=-2
nincompoop
  • nincompoop
so how will you convert that into slope-intercept form?
Phebe
  • Phebe
i forgot
nincompoop
  • nincompoop
\(ax + by = c \) \(ax - ax + by = c - ax \) \(\large\frac{by}{b} = \frac{-ax}{b} + \frac{c}{b} \rightarrow y = \frac{-ax + c}{b} \)
nincompoop
  • nincompoop
it is just a matter of algebraic manipulation that requires you to solve for y
nincompoop
  • nincompoop
a and b are your coefficients for the x and y respectively and c is the constant
Phebe
  • Phebe
so ummmm............. i get that but what do i put for the letters
nincompoop
  • nincompoop
do you know how to solve for y (isolate y) ?
Phebe
  • Phebe
Yes i do
nincompoop
  • nincompoop
try
Phebe
  • Phebe
okay i know i suppse to solve for y , All i need is the equation? How do i get the equation
nincompoop
  • nincompoop
uh when you solve for y, you have an equation in terms of y and that is what you need to be able to identify the "rate of change," which is the slope (coefficient) of x in the equation
nincompoop
  • nincompoop
SOLVE for y, right now
nincompoop
  • nincompoop
I do not need a "suppose," I just need you to show me that you can actually solve for y
Phebe
  • Phebe
the equation is 5x+3y=-2 right?
nincompoop
  • nincompoop
why are you asking me, isn't that the problem you're given?
Phebe
  • Phebe
yes
nincompoop
  • nincompoop
what makes an equation is the presence of the equal sign
Phebe
  • Phebe
Oh wait i get how to do it! thanks for everything!!

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