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kvasek [131]
3 years ago
6

Find the y-intercept of the line who's equation is Y = 3.5 x- 0.4.

Mathematics
2 answers:
agasfer [191]3 years ago
7 0
\sf y=mx+b

m is the slope
b is the y-intercept

so that means that the y-intercept of

\sf y=3.5x + .4

is \sf .4

\bf{\huge{\boxed{y-intercept = .4}}}
VLD [36.1K]3 years ago
4 0
Y-intercept is value of y when x=0.
So just plug in x=0 and solve for y;
 
y = 3.5x - 0.4
y = 3.5(0) - 0.4
y = 0-0.4
y = -0.4
   
So y-intercept is -0.4
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