WAEC - Mathematics (2000 - No. 8)
If \(104_x = 68\), find the value of x
5
7
8
9
Explicaţie
\104\(_x\) = 68
1 \(\times x^2 + 0 \times x + 4 \times x^0\) = 68
x\(^2\) = 68 - 4; x\(^2\) = 64
x = \(\sqrt{64}\) = 8
1 \(\times x^2 + 0 \times x + 4 \times x^0\) = 68
x\(^2\) = 68 - 4; x\(^2\) = 64
x = \(\sqrt{64}\) = 8