Straight lines and coordinate geometry

Question 1 of 10

Find the gradient of the line joining (1, 1) and (4, 3).

Question 2 of 10

Find the equation of the line through (−1, −4) with gradient 2.

Question 3 of 10

Vertical lines have zero gradient.

Question 4 of 10

Find the midpoint of (3, 2) and (5, 5).

Question 5 of 10

The gradient of a line through (x₁, y₁) and (x₂, y₂) is

Question 6 of 10

Find the midpoint of (1, −1) and (7, 3).

Question 7 of 10

The equation of a line with gradient m and y-intercept c is

Question 8 of 10

The y-intercept of the line y = 2x − 5 is ___

Question 9 of 10

Find the midpoint of (0, −2) and (5, −4).

Question 10 of 10

The y-intercept of the line y = 5x − 4 is ___