Find the equation of a straight line passing through the point (1, −5) and having gradient $\tfrac{3}{4}$

The equation of the line through the (4, 2) and (–8, –2)  is  3y = px + q, where p and q are constants. Find the value of p

If M and N are the points (–3, 8) and (5, –7) respectively, find MN

If P(2, 3) and Q( 2, 5) are points on a graph, calculate the length PQ

Calculate the gradient (slope) of the line joining points (–1, 1) and (2, –2) 

The table below shows the values for a linear graph

The table below shows the values for a linear graph

Use it to answer question 21 and 22.

21. Find the gradient of the line

Find the value of x when y = 0

Find the coordinates of P

The relation $y={{x}^{2}}+2x+k$passes through (2,0). Find the value of k