what is the y-intercept of the graph of 4x-2y=10
At the y-intercept, x = 0.
4(0) - 2y = 10
-2y = 10
y = -5
Of course, if you solve the equation for y, you
have both the slope (m) and the y-intercept (b)
4x - 2y = 10
-2y = -4x + 10
y = 2x - 5
This is the slope-intercept form of an equation.