Mathematics Past Questions and Answers

A straight line has the equation 10y = 3x + 15. Which of the following is
true?

P is the point (2,7) and Q is the point (6,3). What is the gradient of PQ?

P is the point (3,5) Q is the point (-1,9). R is the midpoint of PQ. Which one of the following lines does R lie on?

A straight line has a gradient of -2 and passes through the point (4,1). What is its equation?

The line y = 5x - 3 and y = 2x + 9 intersects at P. What are the coordinates of P?