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Write the equation of the linear function passing through

the points (1, 3) and (2, 5) in slope intercept form.

This open post was written 4 months, 2 weeks ago | V/U/S: 169, 5, 4 | Edit Post | Leave a reply | Report Post


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writing, Linear equation, slope, Linear, Equation, form, Linear function, Function, Intercept (How Tags Affect Reciprocity)

Replies (5)

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Chameleon offline Verified User (5 months) Long Term User Shouts: 13 #
An Unknown Location | 4 months, 2 weeks ago (6 minutes after post)

Abraham Lincoln. The answer is always Abraham Lincoln.

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kaxgomolk offline Unverified User #
An Unknown Location | 4 months, 2 weeks ago (8 minutes after post)

okay, i do this like this:
x,y
(1,3)
(2,5) going up on the x-side, subtract, 2-1=1 going up on the y-side, subtract, 5-3=2 , now since slope is y/x then the slope is 2/1, or 2, next you take the equation y=mx+b, and insert 2 into “m” which is also known as the slope. so now, the equation reads: y=2x+b, to find “b”, you take either 1,3 and solve the equation like this: 3=2x+1, or take 2,5 and solve the equation like this: 5=2x+2

okay?

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ben_j_richard offline Verified User (11 months, 2 weeks) Long Term User Shouts: 62 #
GB | 4 months, 2 weeks ago (9 minutes after post)

intercept form is y=mx+c

m is the gradiant and c the intercept.

to find the gradiant you need to look at the 2 points (x,y)

teh gradiant is defined as the the change in y over the change in x so
(y2-y1)/(x2-x1)= m

once you have this you can then find c by multiplying the x of one of the points by m and then looking at the differnce between that and the y value.
as y=mx+c

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ltlb offline Verified User (2 years) Long Term User Shouts: 2 #
An Unknown Location | 4 months, 2 weeks ago (17 minutes after post)

I’m rather lost with this one.

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Help me with: Determine the domain of the function r(x) = x^2 - 16
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