Home » Classroom » WAEC Mathematics 2007 Question

If 8 x 1 frac 1 4 find x - WAEC Mathematics 2007 Question

If (8^{x+1}=\frac{1}{4}), find x

A
\(-\frac{5}{3}\)
B
-1
C
\(-\frac{1}{3}\)
D
\(\frac{1}{3}\)
Ask EduPadi AI...
Correct Option: A

(8^{x+1}=\frac{1}{4}<br /> 2^{3(x+1)}=2^{-2}\Rightarrow 3(x+1)=-2\Rightarrow 3x+3=-2<br /> 3x=-5\Rightarrow x=\frac{5}{3})

Please share this, thanks:

#WAEC #WAEC

Add your answer

Notice: Please post responsibly.

No responses