Descriptive Geometry
Authored by CATALINA SALAZAR GOMEZ
Mathematics
University
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which of the following statements is true about the slopes of two parallel lines in a Cartesian plane?
Two straight lines are parallel if they have different slopes.
Two lines are parallel if the product of their slopes is -1.
Two straight lines are parallel if their slopes are equal.
Two straight lines are parallel if their slopes are perpendicular.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Two straight lines in a Cartesian plane are perpendicular if the product of their slopes is equal to -1.
True
False
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The formula used to determine the angle between two vectors is:
Tan α = A*B/||A||+||B||
Sen α = A*B/||A||*||B||
Cos α = A*B/||A||*||B||
Cos α = A*B/||A||+||B||
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
If the points A(2,3) and B(6,7) are in the Cartesian plane, what is the distance between them?
√32
32
4√2
None of the above
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the equation of the line B is y = 2x + 4, which of the following equations represents a line perpendicular to the line B?
y= 2x - 1
y= -1/2x + 3
y= 2x + 5
y= 1/2x - 2
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A determinant can have negative elements
False
True
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A determinant is a set of numbers graphically on a plane?
True
False
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