HELP!!!!

Write an explanation for both Part A and B using 3-4 complete sentences.

Part A:
Explain how you can determine if a system of equations will have no solution when comparing the graph of the equations.

Part B:
Explain how you can determine if a system of equations has no solution by comparing each algebraic equation.

Be sure that your explanation includes 3 of the 4 words below:
-parallel
-slope
-y-intercept
-slope intercept form