Equations and their graphs

12 questions

1. The graph of the linear equation y=5x-9 is uniquely defined by a gradient of 5 and __________ of -9.
2. Which of these graphs will not form straight line when plotted?
3. Which of these will be y values if you populated this table for values for the linear equation y=7-2x?
4. From left to right how will the y values in this table be read if you complete the table for the linear equation y=4x-9?
5. The linear graph 3x+5y=25 is plotted. When the x coordinate is 0 the y coordinate is ___.
6. The quadratic graph of y=x^2 is plotted. When the x coordinate is -5 the y coordinate is ___.
7. An __________ is the coordinate where a line or curve meets a given axis.
8. Which of these graphs will NOT form straight line when plotted?
9. Identify the linear graphs with a gradient of 3.
10. These are all linear equations which give straight line graphs. Match each linear equation with another equation to form a pair of parallel lines.
11. What features of the graph of y=9x-15 can be found just by looking at the equation?
12. Which of these equations could this sketch represent?

License: OGL