SSAT Upper Level Math : SSAT Upper Level Quantitative (Math)

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

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Example Questions

Example Question #491 : Ssat Upper Level Quantitative (Math)

What is the -intercept of the graph of the function  ?

Possible Answers:

Correct answer:

Explanation:

The -intercept of the graph of a function is the point at which it intersects the -axis - that is, at which . This point is , so evaluate :

The -intercept is .

Example Question #492 : Ssat Upper Level Quantitative (Math)

Give the -intercept, if there is one, of the graph of the equation

Possible Answers:

The graph has no -intercept.

Correct answer:

The graph has no -intercept.

Explanation:

The -intercept is the point at which the graph crosses the -axis; at this point, the -coordinate is 0, so substitute  for  in the equation:

However, since this expression has 0 in a denominator, it is of undefined value. This means that there is no value of  paired with -coordinate 0, and, subsequently, the graph of the equation has no -intercept.

Example Question #493 : Ssat Upper Level Quantitative (Math)

Give the -intercept, if there is one, of the graph of the equation

Possible Answers:

The graph has no -intercept.

Correct answer:

Explanation:

The -intercept is the point at which the graph crosses the -axis; at this point, the -coordinate is 0, so substitute  for  in the equation:

The -intercept is .

Example Question #494 : Ssat Upper Level Quantitative (Math)

Give the -intercept, if there is one, of the graph of the equation

.

Possible Answers:

The graph does not have a -intercept.

Correct answer:

Explanation:

The -intercept is the point at which the graph crosses the -axis; at this point, the -coordinate is 0, so substitute  for  in the equation:

The -intercept is the point

Example Question #2 : X And Y Intercept

A line passes through  and is perpendicular to the line of the equation . Give the -intercept of this line.

Possible Answers:

The line has no -intercept.

Correct answer:

Explanation:

First, find the slope of the second line  by solving for  as follows:

The equation is now in the slope-intercept form ; the slope of the second line is the -coefficient .

The first line, being perpendicular to the second, has as its slope the opposite of the reciprocal of , which is .

Therefore, we are looking for a line through  with slope . Using point-slope form

with 

,

the equation becomes

.

To find the -intercept, substitute 0 for  and solve for :

The  -intercept is the point .

Example Question #271 : Geometry

A line passes through  and is parallel to the line of the equation . Give the -intercept of this line.

Possible Answers:

The line has no -intercept.

Correct answer:

Explanation:

First, find the slope of the second line  by solving for  as follows:

The equation is now in the slope-intercept form ; the slope of the second line is the -coefficient .

The first line, being parallel to the second, has the same slope. 

Therefore, we are looking for a line through  with slope . Using point-slope form

with 

,

the equation becomes

.

To find the -intercept, substitute 0 for  and solve for :

The -intercept is the point .

Example Question #1 : How To Find X Or Y Intercept

Give the -intercept of the line with slope  that passes through point .

Possible Answers:

The line has no -intercept.

Correct answer:

Explanation:

By the point-slope formula, this line has the equation

where

By substitution, the equation becomes

 

To find the -intercept, substitute 0 for  and solve for :

The -intercept is the point .

Example Question #495 : Ssat Upper Level Quantitative (Math)

Give the -intercept of the line that passes through points  and .

Possible Answers:

The line has no -intercept.

Correct answer:

Explanation:

First, find the slope of the line, using the slope formula

setting :

By the point-slope formula, this line has the equation

where

; the line becomes

or

To find the -intercept, substitute 0 for  and solve for :

The  -intercept is .

 

Example Question #8 : How To Find X Or Y Intercept

Give the -intercept of the line that passes through points  and .

Possible Answers:

Correct answer:

Explanation:

First, find the slope of the line, using the slope formula

setting :

By the point-slope formula, this line has the equation

where

; the line becomes

or

To find the -intercept, substitute 0 for  and solve for :

The  -intercept is .

Example Question #496 : Ssat Upper Level Quantitative (Math)

Give the -intercept of the line with slope  that passes through point .

Possible Answers:

Correct answer:

Explanation:

By the point-slope formula, this line has the equation

where

By substitution, the equation becomes

 

To find the -intercept, substitute 0 for  and solve for :

The  -intercept is .

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