SAT II Math I : Geometry

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

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Example Questions

Example Question #171 : Geometry

Find the distance between  and .

Possible Answers:

Correct answer:

Explanation:

For this problem we will need to use the distance formula:

In our case,

 and .

Plugging these values into the formula we are able to find the distance.

Example Question #1 : Distance Formula

What is the distance between  and ?

Possible Answers:

Correct answer:

Explanation:

Write the distance formula.

Substitute the points:  

The radical can be broken down into factors of perfect squares.

The answer is:  

Example Question #1 : Midpoint Formula

Find the midpoint of the line that passes through the points and .

Possible Answers:

Correct answer:

Explanation:

Recall the midpoint formula as .

Thus,

 

Example Question #31 : Coordinate Geometry

Find the midpoint of the line that passes through the points  and .

Possible Answers:

Correct answer:

Explanation:

Recall the midpoint formula as .

Thus,

Example Question #31 : Coordinate Geometry

What is the midpoint between  and ?

Possible Answers:

Correct answer:

Explanation:

The formula to find the midpoint is as follows:

In our case our  

our 

substituting in these values we get

midpoint = 

Example Question #4 : Midpoint Formula

What is the midpoint between  and ?

Possible Answers:

Correct answer:

Explanation:

To find the midpoint of two points you find the average of both the  values and    values.  

For 

.  

For 

.  

This means the midpoint is .

Example Question #1 : Midpoint Formula

What is the midpoint of the points (3,12) and (9,15)?

Possible Answers:

Correct answer:

Explanation:

To find the midpoint we must know the midpoint formula which is  

We then take the -coordinate from the first point and plug it into the formula as .

We take the -coordinate from the second point and plug it into the formula as .

We then do the same for  and .

With all of the points plugged in our equation will look like this. 

We then perform the necessary addition and division to get the answer of 

Example Question #6 : Midpoint Formula

Find the midpoint of the line segment that connects the two points below.

Point 1: 

Point 2: 

Possible Answers:

Correct answer:

Explanation:

The average of the the -coordinates and the average of the y-coordinates of the given points will give you the mid-point of the line that connects the points. 

, where  is and  is .

Example Question #171 : Geometry

Find the midpoint of the line segment with endpoints  and .

Possible Answers:

Correct answer:

Explanation:

Use the midpoint formula:

 

Substitute:

The midpoint is 

Example Question #8 : Midpoint Formula

Find the midpoint of the line segment with these endpoints:  and .

 

Possible Answers:

Correct answer:

Explanation:

The midpoint formula is 

.

Add the two  values together and divide the total by two to find the  value of the midpoint. Add the two  values together and divide the total by two to find the  value of the midpoint.

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