HSPT Math : Concepts

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #2061 : Hspt Mathematics

What is the total degrees of the angles in a square?

Possible Answers:

Correct answer:

Explanation:

A square has four right angles which each have  degrees.  

To get the total you just multiple the measure of one by  to get 

.

Example Question #12 : Geometry

Angle  measures 

  is the bisector of

  is the bisector of

What is the measure of ?

Possible Answers:

Correct answer:

Explanation:

Angle pic

Let's begin by observing the larger angle.  is cut into two 10-degree angles by . This means that angles  and  equal 10 degrees. Next, we are told that  bisects , which creates two 5-degree angles.   consists of , which is 10 degrees, and , which is 5 degrees. We need to add the two angles together to solve the problem.

Example Question #2061 : Hspt Mathematics

If  , , and , what is the measure, in degrees, of 

Alternate interior angles   

 

Possible Answers:

122

62

32

58

148

Correct answer:

148

Explanation:

The question states that . The alternate interior angle theorem states that if two parallel lines are cut by a transversal, then pairs of alternate interior angles are congruent; therefore, we know the following measure:

The sum of angles of a triangle is equal to 180 degrees. The question states that ; therefore we know the following measure:

Use this information to solve for the missing angle:

The degree measure of a straight line is 180 degrees; therefore, we can write the following equation:

The measure of  is 148 degrees. 

Example Question #2061 : Hspt Mathematics

What is the slope of a line through the points  and  ?

Possible Answers:

Undefined slope

Correct answer:

Explanation:

Use the slope fomula, setting 

Example Question #2062 : Hspt Mathematics

In which quadrant, or on which axis, is the point with coordinates  located?

Possible Answers:

Quadrant IV

Quadrant III

Quadrant II

The -axis

Quadrant I

Correct answer:

Quadrant IV

Explanation:

Any point with a positive -coordinate and a negative -coordinate is located in the lower right quadrant - Quadrant IV.

Example Question #1474 : Concepts

Which of the following is an equation of a line with slope 0?

Possible Answers:

Correct answer:

Explanation:

A line with slope 0 has equation  for some real value .

Example Question #2071 : Hspt Mathematics

Axes

 

Give the equation of the red line in slope-intercept form.

Possible Answers:

Correct answer:

Explanation:

The slope of the line is 

The -intercept of the line has -coordinate 

The slope-intercept form can be written:

Replace:

Example Question #2071 : Hspt Mathematics

Axes_2

 

The green and blue lines are perpendicular: What is the slope of the blue line?

Possible Answers:

It cannot be determined from the information given.

Correct answer:

Explanation:

The slope of the blue line, being perpendicular to the green line, is the opposite of the reciprocal of the slope of the green line. The slope of the green line can be found using the slope formula:

The opposite of the reciprocal of  is 3, and this is the slope of the blue line.

Example Question #1 : How To Find The Midpoint Of A Line Segment

A line segment on the coordinate plane has endpoints  and . In terms of  and , as applicable, give the -coordinate of its midpoint.

Possible Answers:

Correct answer:

Explanation:

The -coordinate of the midpoint of a line segment is the mean of the -coordinates of its endpoints. Therefore, the -coordinate is 

.

Example Question #1 : Midpoint Formula

A line segment on the coordinate plane has endpoints  and . In terms of  and , as applicable, give the -coordinate of its midpoint.

Possible Answers:

Correct answer:

Explanation:

The -coordinate of the midpoint of a line segment is the mean of the -coordinates of its endpoints. Therefore, the -coordinate is 

.

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