Slope and Y-Intercept of a Linear Equation For the linear equation = + = slope and = y-intercept. y a bx, b a From algebra recall that the slope is a number that describes the steepness of a line and the y-intercept is the y coordinate of the point (0, where the line crosses the y-axis. a) Three possible graphs of = + y a bx:
Slope and Y-Intercept of a Linear Equation For the linear equation y = a + bx, b = slope and a = y-intercept. From algebra recall that the slope is a number that describes the steepness of a line and the y-intercept is the y coordinate of the point (0, a) where the line crosses the y-axis. Three possible graphs of y = a + bx:
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