Question

Exercise 22.5 1. Write down the gradient (a) y = 3x - 7 (d) y - x-3 70​

Answer 1

the gradient for the first one is 3

Step-by-step explanation:

you can differenciated

or compare with y=mx+c, where m is gradient

Answer 2

Isolate the variable by dividing each side by factors that don't contain the variable.

a

=

−

7

d

+

2

x

y

−

370

y

Step-by-step explanation: