Question

Is it true that the y-intercept of the straight line with equation Ax + By + C = 0 is -C/B (B ‚ 0).

Answer 1

yes, easy to show

for the y-intercept, x = 0

so in Ax + By + C = 0
0 + By = -C
y = -C/B

btw, what's with the (B,0) thing ?

Answer 2

pretty sure she must have meant B≠0