Steph_Rawr352
PLEASE HELP!!
Find the equation in standard form which passes through (–1, 4) and (0, 9)



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surdawi
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\[m=\frac{ y2y1 }{ x2x1 }\]
\[y  y1 = m*(x  x1)\]

Steph_Rawr352
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The slope is 5 right?

Steph_Rawr352
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y9 =5(x0)

surdawi
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yes, but still not done yet
solve for y
y = mx + b

Steph_Rawr352
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I don't really know how to use that equation/: i never learned it

surdawi
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y9 =5(x0)
distribute the 5 what do you get?

Steph_Rawr352
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y9 = 5x  0 ?

surdawi
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yes
now move the 9 to the other side what do you get?

Steph_Rawr352
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then subtract 5x from both sides?

surdawi
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no you need to add 9 to both sides

surdawi
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y9 = 5x
+9 +9
y = 5x + 9

Steph_Rawr352
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wait but I need to put it in standard form

surdawi
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y = 5x + 9
ok subtract the 5x and you will be good

surdawi
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Standard Form: Ax + By = C
slopeintercept form: y = m x + b

Steph_Rawr352
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yeah i know but I think I got it now I figured it out thank you for helping me understand tho c: