How do you write with equation of a line with slope -1/2 and y-intercept (0, 3)?

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Answer 1 · 2016-04-10T00:05:17

#y=-1/2x+3#

Consider the Gradient Form of a linear function:

#y=mx+c#

Where #m# is the gradient of the graph.
and #c# is the constant term (effectively the #y# intercept)

If we substitute #m=-1/2# (the slope of the line you have described)
and #c# = 3 (the y intercept of the graph) we get the equation:

#y=-1/2x+3#