All SAT II Math II Resources
Example Questions
Example Question #1 : Solving Exponential, Logarithmic, And Radical Functions
Rewrite as a single logarithmic expression:
Possible Answers:
Correct answer:
Explanation:
Using the properties of logarithms
and ,
simplify as follows:
Example Question #1 : Solving Exponential, Logarithmic, And Radical Functions
Simplify by rationalizing the denominator:
Possible Answers:
Correct answer:
Explanation:
Multiply the numerator and the denominator by the conjugate of the denominator, which is
. Then take advantage of the distributive properties and the difference of squares pattern:
Example Question #3 : Solving Functions
Simplify:
You may assume that
is a nonnegative real number.
Possible Answers:
Correct answer:
Explanation:
The best way to simplify a radical within a radical is to rewrite each root as a fractional exponent, then convert back.
First, rewrite the roots as exponents.
Then convert back to a radical and rationalizing the denominator:
Example Question #1 : Solving Exponential, Logarithmic, And Radical Functions
Let
. What is the value of ?
Possible Answers:
Correct answer:
Explanation:
Replace the integer as
.
Evaluate each negative exponent.
Sum the fractions.
The answer is:
Example Question #1 : Solving Exponential, Logarithmic, And Radical Functions
Find
:
Possible Answers:
Correct answer:
Explanation:
Square both sides to eliminate the radical.
Add five on both sides.
Divide by negative three on both sides.
The answer is:
Eric
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The University of Texas System Office, Bachelor of Science, Mathematics and Statistics.
All SAT II Math II Resources
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