Calculating Angles Between Lines
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the y-intercept not affect the angle between two lines?
Because it affects the length of the line.
Because it alters the angle directly.
Because it changes the slope of the line.
Because it only shifts the line up or down.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the angle between two lines using their gradients?
m1 - m2 divided by 1 plus m1*m2
m1 + m2 divided by 1 minus m1*m2
m1 / m2 divided by 1 minus m1*m2
m1 * m2 divided by 1 plus m1*m2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the angle calculation if the order of gradients is reversed?
The angle remains unchanged.
The angle becomes zero.
The angle becomes positive.
The angle becomes negative.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a negative angle be converted to a positive one?
By adding 180 degrees.
By subtracting 90 degrees.
By multiplying by -1.
By dividing by 2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain for angles between two lines?
0 to 270 degrees
0 to 90 degrees
0 to 180 degrees
0 to 360 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal when calculating angles between lines?
To determine the slope.
To solve an equation.
To measure an angle.
To find the y-intercept.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When determining the acute angle between two lines, which gradient should be subtracted from which?
Subtract the first gradient from the second one.
Subtract the second gradient from the first one.
Subtract the larger gradient from the smaller one.
Subtract the smaller gradient from the larger one.
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