waecmaths question:
The table below satisfies the relation $y=k\sqrt{x}$ , where k is a positive constant.
|
x |
1 |
4 |
p |
|
y |
0.5 |
1 |
2.5 |
Find the value of k
Option A:
0.5
Option B:
1
Option C:
1.5
Option D:
0.2
waecmaths solution:
\[\begin{align} & y=k\sqrt{x} \\ & 0.5=k\sqrt{1} \\ & k=0.5 \\\end{align}\]
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