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(iii) Find the gradient of the (a) The variables x and y are connected by the equation $6x - y = 8$. Some values of x and the corresponding values of x are given in the table. $6x - y = 8$ -1 0 2 y -14 p q (i) Find the value of p and of q. (ii) On a sheet of graph paper, using a scale of 4 cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis, draw the graph of $6x - y = 8$ for $-1 \le x \le 2$. (b) On the same axes in part (a)(ii), draw the graph of $5x + 2y = 1$ for $-1 \le x \le 2$. (c) Hence, solve the simultaneous equations $6x - y = 8$ and $5x + 2y = 1$.

          (iii) Find the gradient of the
(a) The variables x and y are connected by the equation $6x - y = 8$. Some values of x and the corresponding
values of x are given in the table.
$6x - y = 8$
-1
0
2
y
-14
p
q
(i) Find the value of p and of q.
(ii) On a sheet of graph paper, using a scale of 4 cm to represent 1 unit on the x-axis and 1 cm to represent
1 unit on the y-axis, draw the graph of $6x - y = 8$ for $-1 \le x \le 2$.
(b) On the same axes in part (a)(ii), draw the graph of $5x + 2y = 1$ for $-1 \le x \le 2$.
(c) Hence, solve the simultaneous equations $6x - y = 8$ and $5x + 2y = 1$.

(iii) Find the gradient of the
(a) The variables x and y are connected by the equation 6x - y = 8. Some values of x and the corresponding
values of x are given in the table.
6x - y = 8
-1
0
2
y
-14
p
q
(i) Find the value of p and of q.
(ii) On a sheet of graph paper, using a scale of 4 cm to represent 1 unit on the x-axis and 1 cm to represent
1 unit on the y-axis, draw the graph of 6x - y = 8 for -1 ≤ x ≤ 2.
(b) On the same axes in part (a)(ii), draw the graph of 5x + 2y = 1 for -1 ≤ x ≤ 2.
(c) Hence, solve the simultaneous equations 6x - y = 8 and 5x + 2y = 1.

Added by Troy T.

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