Question

Y varies inversely with x, y = 4 and x = 3, what is y, when x = 2B) given: y = 2x - 1 (x-3)(x+1) what is the I. VAII. HA III. X-INTERCEPT

Answer 1

(a)

`\begin{gathered} y\alpha(1)/(x) \\ \\ y=(k)/(x) \\ \\ 4=(k)/(3) \\ \\ k=12 \end{gathered}`
`\begin{gathered} y=(12)/(x) \\ \\ when\text{ x=2} \\ \\ y=(12)/(2) \\ \\ y=6 \end{gathered}`