need help with these ten questions?

1. Find the missing coordinate: ( ? , -1) for3x - 4y = 11
2. Graph or explain how to graph: x=5
3. Graph or explain how to graph the equation:y = 3x - 5
4. Which relations below are also functions?
5. a. {(1,1), (2,2), (3,3)}
6. b. {(1,1), (2,1), (3,1)}
7. c. {(1,1), (1,2), (1,3)}
8. d. {(1,1), (2,3), (1,3)}
9. e. {(1,2), (2,3), (3,2)}
10. What is an x-intercept? How do you find the x-intercept? What is a y-intercept? How do you find the y-intercept?Explain using 3x + 4y = 12.
11. What is the slope formula?Find the slope of the line passing through the points:(-3, 8) and (5, -2)
12. Find the slope and the y-intercept of the line:y = 3x - 1
13. Writethe equation of the line (in slope-intercept form) where:slope = 1/4 and y-intercept = (0, -5)
14. Graph or explain how to graph:
15. If f(x) = 3x - x, find f(-5).