

Perpendicular Lines and Gradients
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the problem of finding a perpendicular line's equation?
Identify the y-intercept of the given line.
Find the gradient of the given line.
Determine the length of the line segment.
Calculate the midpoint of the line.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the gradient of the line y = 2x + 3?
1
-1/2
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the gradients of two perpendicular lines relate to each other?
They are equal.
They are both zero.
They are negative reciprocals.
They are both positive.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying the gradients of two perpendicular lines?
-1
0
2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a line has a gradient of 2, what is the gradient of a line perpendicular to it?
2
-1/2
-2
1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of finding the negative reciprocal of a gradient?
To find the y-intercept
To calculate the midpoint
To find the gradient of a perpendicular line
To determine the length of the line
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation form used to represent the new line with a known gradient?
y = -1/2x + C
y = ax^2 + bx + c
y = x^2 + C
y = mx + b
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