SAT II Math II : Midpoint Formula

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

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Example Questions

Example Question #1 : Midpoint Formula

Find the point halfway between points A and B.

Possible Answers:

Correct answer:

Explanation:

Find the point halfway between points A and B.

We are going to need to use midpoint formula. If you ever have difficulty recalling midpoint formula, try to recall that it is basically taking two averages. One average is the average of your x values, the other average is the average of your y values.

Now we plug and chug!

So our answer is (43,44)

Example Question #2 : Midpoint Formula

What is the coordinates of the point exactly half way between (-2, -3) and (5, 7)?

Possible Answers:

Correct answer:

Explanation:

We need to use the midpoint formula to solve this question.

In our case 

and 

Therefore, substituting these values in we get the following:

Example Question #3 : Midpoint Formula

Find the midpoint between  and .

Possible Answers:

Correct answer:

Explanation:

Write the midpoint formula.

Substitute the points.

The answer is:  

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