What is the slope of y=-18x-9? Algebra Graphs of Linear Equations and Functions Slope-Intercept Form 1 Answer HF May 25, 2016 slope = -18 Explanation: y = mx + b is the slope-intercept form of a linear equation the coefficient of x (m) is the slope of the line. b (in this example -9 ) is the y-intercept of the graph of the line Answer link Related questions What is Slope-Intercept Form? How do you find the "m" and "b" of any linear equation? How do you determine the slope and y intercept when given a graph? Why is slope "rise over run"? How do you find the slope and y intercept of 2x+5=y? What is the slope and y intercept of y=x? What is the slope and y intercept of y=3.75? How do you write 7+\frac{3}{5} x=y in slope intercept form? How do you write -5x+12=20 in slope intercept form? How do you write an equation in standard form for a line that goes through (5, –2) and (–5, 4)? See all questions in Slope-Intercept Form Impact of this question 4446 views around the world You can reuse this answer Creative Commons License