l9ilynxodadenta l9ilynxodadenta

16-03-2017
Mathematics

contestada

Write an equation in slope-intercept form and then in standard form for each line described. y-intercept -2; x-intercept 5

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ghanami ghanami

16-03-2017

Hello
the line passes by A ( 0 ; -2) and B (5 ; 0) equation : y = ax+b
a is a slop : a = (yb - ya)/(xb -xa)
a = (0+2)/(5-0)
a =2/5
y = (2/5)x+b
if x=5 and y= 0
0 = (2/5)(5)+b
b= - 2
the equation is : y = (2/5)x-2

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