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 3916 views around the world You can reuse this answer Creative Commons License