10.1 Log Basics
log3(3) = ?
1
log2(7) + log2(3) = log2(?)
21
Solve
logx(64) = 2
x = 8
log(100) = ?
2
Write the following expression using 1 logarithm, and simplify.
log3(8x2) - log3(2x)
log3(4x)
Solve
log2(x-5) = 3
x = 13
log4(64) = ?
3
log(15) - log(3) = log(?)
5
Solve
log4(2x-8) = -1
4.125 or 33/8
log5(1/25) = ?
-2
Rewrite the equation into Log form (logb(x) = y)
53 = 125
log5(125) = 3
Solve
log12(x) + log12(x+1) = 1
4log2(21/2) = ?
Write the following expression using 1 logarithm.
5log(x) + 3log(y) - 2log(w)
log(x5y3/w2)
Solve
log2(x+23) - log2(x+7) = log2(3)
x = 1
Solve
log3(x+6) = 2 + log3(x-2)
x = 3