SSAT Upper Level Math : Geometry

Study concepts, example questions & explanations for SSAT Upper Level Math

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Example Questions

Example Question #71 : Geometry

Find the equation of the line that passes through  and .

Possible Answers:

Correct answer:

Explanation:

First, notice that our -intercept for this line is ; we can tell this because one of the points, , is on the -axis since it has a value of  for

Now, we need to find the slope of the line. We can do that by using the slope equation:

We can substitute in the values of the provided points—, and —and then solve for the slope of the line that connects them:

Now, put the two pieces of information together and substitute them into the  equation to solve the problem:

Example Question #72 : Geometry

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

Possible Answers:

Correct answer:

Explanation:

First, notice that our -intercept for this line is ; we can tell this because one of the points, , is on the -axis since it has a value of  for 

Now, we need to find the slope of the line. We can do that by using the slope equation:

We can substitute in the values of the provided points—, and —and then solve for the slope of the line that connects them:

Now, put the two pieces of information together and substitute them into the  equation to solve the problem:

Example Question #73 : Geometry

Find the equation of the line that passes through the points .

Possible Answers:

Correct answer:

Explanation:

First, notice that our -intercept for this line is ; we can tell this because one of the points, , is on the -axis since it has a value of  for 

Now, we need to find the slope of the line. We can do that by using the slope equation:

We can substitute in the values of the provided points—, and —and then solve for the slope of the line that connects them:

Now, put the two pieces of information together and substitute them into the  equation to solve the problem:

Example Question #74 : Geometry

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

Possible Answers:

Correct answer:

Explanation:

First, we need to find the slope of the line. We can do that by using the slope equation:

We can substitute in the values of the provided points—, and —and then solve for the slope of the line that connects them:

Next, plug one of the points' coordinates and the slope to the  equation and solve for  to find the -intercept. For this example, let's use the point :

Multiply:

Change  from a whole number to a mixed number with  in the denominator, just like in the fraction :

Subtract  from each side of the equation:

Finally, put the slope and the -intercept into the  equation to arrive at the correct answer:

Example Question #21 : Lines

Find the equation of the line that passes through  and .

Possible Answers:

Correct answer:

Explanation:

First, notice that our -intercept for this line is ; we can tell this because one of the points, , is on the -axis since it has a value of  for 

Now, we need to find the slope of the line. We can do that by using the slope equation:

We can substitute in the values of the provided points—, and —and then solve for the slope of the line that connects them:

Now, put the two pieces of information together and substitute them into the  equation to solve the problem:

Example Question #21 : Coordinate Geometry

One end of a board that is four feet long is on the ground. The other end is balanced on a box that is one foot tall, creating a slope. What is the slope of the board?

Possible Answers:

Correct answer:

Explanation:

The slope of a line is equal to 

Given that the box is one foot tall, the rise will be equal to "1."

Given that the board is four feet long, the run will be equal to "4."

Therefore, the slope is equal to .

Example Question #22 : Lines

A line is given with the equation . What is the slope of this line?

Possible Answers:

Correct answer:

Explanation:

To find the slope, put the equation in  form.

Since , that must be the slope of the line.

Example Question #21 : Lines

A line has the equation . What is the slope of the line?

Possible Answers:

Correct answer:

Explanation:

Change the equation into the more familiar  form. The value of  will be the slope.

Example Question #22 : Coordinate Geometry

What is the slope of a line that passes through the points ?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope:

Plug in the given points to find the slope.

Example Question #3 : How To Find Slope Of A Line

Find the slope of the line that passes through the points 

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the slope:

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