I'm confused with this concept. Does the Y-intercept has multiple answers?
Sometimes my teacher replace the x or y with 0. Sometimes she replace the x and y with the points. But when can you do these?
Thank you for the opportunity to help you with your question!
Given a linear equation y=mx+b
m is the gradient/slope of the equation and b is the y intercept
Note that to get b as the y intercept, we have substituted the value of x to be zero hence
y intercept is the point when x=0
Likewise to calculate the value of x-intercept we substitute the value of y to zero
Note the difference while calculating the y-intercept and x-intercept
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