AnswersAISD Algebra II B Credit Recovery 2026-2027Properties of Logarithms

Properties of Logarithms Answers

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1
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What is rewritten using the power property?

Question illustration
A
log Subscript 15 Baseline 5
Option A
B
log Subscript 15 Baseline 6
Option B
C
2 log Subscript 15 Baseline 3
Option C
D
3 log Subscript 15 Baseline 2
Option D
2
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Sam is proving the product property of logarithms. StepJustificationGivenSubstitution Which expression and justification completes the third step of her proof?

Question illustration
A
; power rule of exponents
Option A
B
subtraction property of exponents
Option B
C
multiplication rule of exponents
Option C
D
division property of exponents
Option D
3

When proving the product, quotient, or power rule of logarithms, various properties of logarithms and exponents must be used. Which property listed below is used in all of these proofs?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

What is written as a single log?

Question illustration
A
log Subscript 5 Baseline 21
Option A
B
log Subscript 5 Baseline 26
Option B
C
log Subscript 5 Baseline 30
Option C
D
log Subscript 5 Baseline 56
Option D
5

Which expression is equivalent to ?

Question illustration
A
log Subscript 3 Baseline c + log Subscript 3 Baseline (9)
Option A
B
log Subscript 3 Baseline (9) + log Subscript 3 Baseline (c)
Option B
C
log Subscript 3 Baseline c minus log Subscript 3 Baseline (9)
Option C
D
log Subscript 3 Baseline (9) minus log Subscript 3 Baseline (c)
Option D
6

What is written as a single logarithm?

Question illustration
A
log Subscript 5 Baseline (25 x Superscript 5 Baseline) RootIndex 3 StartRoot x squared + 6 EndRot
Option A
B
log Subscript 5 Baseline (25 x Superscript 6 Baseline) RootIndex 3 StartRoot x squared + 6 EndRoot
Option B
C
log Subscript 5 Baseline 25 x Superscript 5 Baseline + log Subscript 5 Baseline 2 + log one-third x squared
Option C
D
(log Subscript 5 Baseline 25 + log Subscript 5 Baseline Superscript 6 Baseline) (log Subscript 5 Baseline RootIndex 3 StartRoot x squared + 6 EndRoot)
Option D
7

The proof for the power property of logarithms appears in the table with an expression missing. StepReasonGivenSubstitution Properties of exponentsLogarithm property SubstitutionCommutative property of multiplicationWhich expression is missing from the proof?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
8

The table shows a student’s proof of the quotient rule for logarithms.Let M = bx and N = by for some real numbers x and y. StepReason1Given2Substitution3Properties of logarithms4Logarithm property logb(bc) = c5SubstitutionWhat is the error in the proof?

Question illustration
A
The error is in step 3. The reason should be the quotient property of exponents.
B
The error is in step 3. You cannot use a property of logarithms to prove that same property.
C
The error is in step 2. The reason should be the quotient property of exponents.
D
The error is in step 5. The student did not convert from exponential to logarithmic form correctly when solving for x and y.
9

Which expression is equivalent to log18 – log(p + 2)?

A
log StartFraction p + 2 Over 18 EndFraction
Option A
B
log StartFraction 18 Over p + 2 EndFraction
Option B
C
log StartFraction 20 Over p EndFraction
Option C
D
log left-bracket 18 times (p + 2) right-bracket
Option D
10

Which expression is equivalent to ?

Question illustration
A
log Subscript 12 Baseline 8 minus log Subscript 12 Baseline one-half + log Subscript 12 Baseline w
Option A
B
log Subscript 12 Baseline one-half minus (log Subscript 12 Baseline 8 + log Subscript 12 Baseline w)
Option B
C
log Subscript 12 Baseline one-half minus log Subscript 12 Baseline 8 + log Subscript 12 Baseline w
Option C
D
log Subscript 12 Baseline one-half divided by log Subscript 12 Baseline 8 + log Subscript 12 Baseline w
Option D

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