Year 9 Mathematics Quiz: Calculating the Slope from a Graphed Line

Instructions

Read each question carefully.
Answer all questions to the best of your ability.
For questions that provide multiple-choice answers, circle the letter corresponding to your answer.

What is the formula to calculate the slope (m) of a line?
If a line passes through the points (2, 3) and (4, 7), what is the slope of the line?
Consider the line that passes through the points (1, 1) and (3, 5). What is the slope?
What is the slope of a horizontal line?
- A. 0
- B. 1
- C. Undefined
- D. -1
If the slope of a line is negative, what does this indicate about the direction of the line?
Given the points (5, 10) and (15, 30), calculate the slope of the line.
What is the slope of a vertical line?
- A. 0
- B. 1
- C. Undefined
- D. -1
A line has a slope of 3. How does this affect the rise and run between two points on the line?
If a line goes from the point (3, 4) to (6, 1), what is the slope?
If a line has a slope of 2 and a y-intercept of 1, what is the equation of the line in slope-intercept form?
- A. y = 2x + 1
- B. y = -2x + 1
- C. y = 1 - 2x
- D. y = x + 1
If a line passes through the origin (0, 0) and the point (4, 8), what is the slope of the line?
Which of the following lines has a slope of -3?
- A. y = -3x + 2
- B. y = 3x - 2
- C. y = 2 - 3x
- D. y = 3x + 2
Two points on a line are (4, 7) and (10, 19). Calculate the slope.
A stairway rises 3 meters for every 4 meters of run. What is the slope of the stairway?
- A. 3/4
- B. 4/3
- C. -3/4
- D. -4/3
Given the points (6, 12) and (9, 18), what is the slope of the line connecting these points?

Once you have completed the quiz, submit your answers to your teacher for grading. Good luck!

What to create	Quiz
Which subject	Mathematics
What age group	Year or Grade 9
What topic	Calculate the slope from a graphed line
Question types	Mixed
Number of questions	15
Number of answers	4
Correct answers	Exactly 1
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