Checking and securing understanding of finding the equation of the line from coordinates

12 questions

1. Which of these lines have negative gradients?
2. This is a table of values for a linear graph. What is the missing y value?
3. Which of these lines goes through the coordinates (3, 7) and (9, 7)?
4. Which of these coordinates lie on the line y = 3x - 8 ?
5. The point (-2, ___) lies on the line y = 7-4x. What is the y coordinate of the point?
6. Match each equation of a straight line to its key features.
7. What is the equation of this line?
8. What is the equation of the line joining the points with coordinates (2, 5) and (3, 8)?
9. y = ___x + 15 is the equation of the line passing through the coordinates (4, 7) and (7, 1).
10. (0, ___) is the y-intercept of the line with gradient -2 which passes through the point (4, 3).
11. A line has gradient -{2\over 3} and passes through the point with coordinates (-6, 6). The equation of this line is y = -{2\over 3}x + ___.
12. Match each pair of coordinates with the equation of the line passing through them.

License: OGL