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y-intercept: 2 x-intercept: 4
Not quite. 'm' is the slope of the line. 'b' is the y-intercept The x-intercept is ( -b/m ).
The function y = -1 has no x-intercept; its graph is a horizontal line with a y-intercept of -1.
-1/2
Call the intercept with the y-axis b. The equation for the line is then y=5x+b With the information about the x-intercept we get: 0=5*7+b b=-35