Science and Mathematics for Engineering 6th Edition by John Bird

Exercise 3

If graphs of $y$ against $x$ were to be plotted for each of the following, state (i) the gradient, and
(ii) the y-axis intercept.
(a) $y = - 5 x + 3$
(b) $y = 7 x$
(c) $2 y + 4 = 5 x$
(d) $5 x + 2 y = 6$
(e) $2 x - \frac { y } { 3 } = \frac { 7 } { 6 }$