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figure out the slope then use y=mx+b and sub the slope for m and use one of the points for (x,y) to solve for b. b is our answer
Is there anyway you could start the equation of for me?
|dw:1358369271960:dw|tell me what the slope is first
the slope would be M right but where am I looking for the slope for with the fraction?
you need the slope to be able to use it in y=mx+b then you can use one of the points I would use (4,8) x=4 y=8 then you are solving for b. b is known as your y intercept and that is what you are looking for
So I have so far y= ? + 8 Would I plug in the 4?
|dw:1358370299889:dw|you need the slope to sub the m value and solve for b
Alright so what operation would I do from here?
next, u can just substitute the M = gradient = slope into this equations to find value b
then, rewrite the equation form in y = mx + b
Whats the value for m?
im so confused on what to do I might just guess lbvs...
m = 3/2
y = mx + b 8 = (3/2)(4) + b 8 = 6 + b b = 8 -6 = 2 then, rewrite the equation: y = mx + b y = 3/2 x + 2 That the final answer
Oh you times by 4 DURR! Thank you so much I really appreciate it that makes so much more sense! Thank you again :)
so y=3/2x+2 is my answer?