6.6 WS: Intro to Logarithms
Pre-AP Algebra II
Name __________________________
Date _______________ Per ________
Rewrite the equation in exponential form:
1
4
2) ln1  0
3) 𝑙𝑜𝑔4 = −1
5) 140  1
6) 73  343
7) 𝑦 = 𝑙𝑜𝑔5 𝑥
8) 𝑦 = 6𝑥
9) 𝑦 = ln 𝑥
10) 𝑦 = 𝑙𝑜𝑔5 𝑥
11) 𝑦 = 0.4𝑥
12) 𝑦 = 𝑙𝑜𝑔6 (𝑥 + 2)
1) 𝑙𝑜𝑔7 49 = 2
Rewrite the equation in logarithmic form:
4)
1
2
5
 32
Find the inverse of the function:
6.6 WS: Intro to Logarithms
Pre-AP Algebra II
Name __________________________
Date _______________ Per ________
Rewrite the equation in exponential form:
1
2) ln1  0
3) 𝑙𝑜𝑔4 4 = −1
5) 140  1
6) 73  343
7) 𝑦 = 𝑙𝑜𝑔5 𝑥
8) 𝑦 = 6𝑥
9) 𝑦 = ln 𝑥
10) 𝑦 = 𝑙𝑜𝑔5 𝑥
11) 𝑦 = 0.4𝑥
12) 𝑦 = 𝑙𝑜𝑔6 (𝑥 + 2)
1) 𝑙𝑜𝑔7 49 = 2
Rewrite the equation in logarithmic form:
4)
1
2
5
 32
Find the inverse of the function:
Evaluate logarithms using a calculator (round to 3 decimals):
13) log110
1
14) ln 110
15) ln 2
Evaluate logarithms without a calculator:
17) 𝑙𝑜𝑔9 81
1𝑥
20) 3 = 27
1
18) 𝑙𝑜𝑔3 3
19) 2𝑥 = 8
21) log3 34
22) ln e5
Evaluate logarithms using a calculator (round to 3 decimals):
13) log110
1
14) ln 110
15) ln 2
Evaluate logarithms without a calculator:
17) 𝑙𝑜𝑔9 81
20)
1𝑥
3
= 27
1
18) 𝑙𝑜𝑔3 3
19) 2𝑥 = 8
21) log3 34
22) ln e5