Answer:
 Slope = 4.000/2.000 = 2.000 
 x-intercept = 6/2 = 3 
 y-intercept = -6/1 = -6.00000
Explanation:
Step by step solution : 
Step 1 : Equation of a Straight Line
Graph of a Straight Line 
Calculate the Y-Intercept 
Calculate the X-Intercept
Calculate the Slope 
Answer for y=2x-6 is below
Answer: 
Slope = 4.000/2.000 = 2.000 
 x-intercept = 6/2 = 3 
 y-intercept = -6/1 = -6.00000
Hope this helps.