SAT II Math II : Solving Linear Functions

Study concepts, example questions & explanations for SAT II Math II

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Example Questions

Example Question #1 : Solving Linear Functions

If , what must  be?

Possible Answers:

Correct answer:

Explanation:

Replace the value of negative two with the x-variable.

There is no need to use the FOIL method to expand the binomial.

The answer is:  

Example Question #1 : Solving Linear Functions

Let .  What is the value of ?

Possible Answers:

Correct answer:

Explanation:

Substitute the fraction as .

Multiply the whole number with the numerator.

Convert the expression so that both terms have similar denominators.

The answer is:  

Example Question #3 : Solving Linear Functions

If , what must  be?

Possible Answers:

Correct answer:

Explanation:

A function of x equals five.  This can be translated to:

This means that every point on the x-axis has a y value of five.  

Therefore, .

The answer is:  

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