anonymous
  • anonymous
please help and explain!
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!
anonymous
  • anonymous
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anonymous
  • anonymous
please help!
anonymous
  • anonymous
The change is 10 because everytime x increases by 2 y increases by 10 and so on.

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anonymous
  • anonymous
I think xP
anonymous
  • anonymous
k you wanna give another one a try?
anonymous
  • anonymous
Find the rate of change for each table, equation, or graph. How did you find the rate of change?
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chihiroasleaf
  • chihiroasleaf
rate of change has the same meaning as slope of a line or gradient, denoted by m slope = change in y / change in x or if we have two points (x1,y1) and (x2,y2) then the rate of change is \[m=\frac{ y _{2}-y _{1} }{ x _{2}-x _{1} }\]
anonymous
  • anonymous
how does that help me solve the next one yo????
chihiroasleaf
  • chihiroasleaf
for your first problem, consider that you have three points we can use any two points, I'll use the first two points (2,10) and (4,20) so we have x1 = 2, y1 = 10, x2=4, and y2=20 now, can you calculate the rate of change using the formula above? :)
anonymous
  • anonymous
ok hold on let me solve it
anonymous
  • anonymous
so it would be 5?
anonymous
  • anonymous
right???????????????????
chihiroasleaf
  • chihiroasleaf
yes... :)
anonymous
  • anonymous
ok can you help with #2?
chihiroasleaf
  • chihiroasleaf
it's similar I think..., let's make the graph looks better.. :) |dw:1354819288993:dw| can you find two points on the line?
anonymous
  • anonymous
25 and 6????
anonymous
  • anonymous
nad 0 0
anonymous
  • anonymous
rate of change is 25/6? right?
chihiroasleaf
  • chihiroasleaf
a point in Cartesian coordinates is stated as (x,y) , the horizontal line is x-axis and the vertical line is y-axis, so the first point is (6,25) and the second one is (0,0) Now, what is the rate of change of the line? (use the previous formula)
chihiroasleaf
  • chihiroasleaf
correct... :)
anonymous
  • anonymous
cool! can you help with more??
anonymous
  • anonymous
Write an equation in slope-intercept form, point-slope, or standard form for the line with the given information. Explain why you chose the form you used. a. Passes through (-1, 4) and (-5, 2) We will just start with A lol

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