P/NP
#2. Which line represents a proportional relationship?
C. Y3
#13. Consider the graph shown.
A. Determine the slope.
B. Write an equation for the line.
A. M= 3/4
B. Y=3/4x+1
#12. Determine the slope of a line that passes through the following coordinates.
A. (1,-5)(7,5)
B. (10,9)(-5,-6)
C. (-1,12)(2,-2)
Make sure your answers are in the simplest form.
A. M=5/3
B. M=1
C. M=-14/3
#5. When graphed, which line will have the greatest rate of change?
A. Y=5x
#20. Describe the following graphs of linear equations using one of the following words. (Positive slope, negative slope, zero slope, undefined)
A. Undefined
B. Zero
C. Positive
D. Negative
#1. Which statement correctly describes the relationship represented by the graph?
B. The relationship is linear and non-proportional.
#19. Consider the graph shown.
A. Determine the slope.
B. Write an equation for the line.
A. M=-1/2
B. Y=-1/2x-1
#4. Which pairs of points would result in a line with a rate of change of 2:1? Select all that apply.
A, C, and D
#17. Identify the slope and y-intercept in the following linear equations.
A. Y=1/4x + 15
B. Y=-12x + 8
C. Y=7/2x
A. M= 1/4, b= 15
B. M= -1/2, b= 8
C. M= 7/2, b= 0
#10. A class is taking a trip to the aquarium. The teacher has received only 2 permission slips for every 5 students in the class. Analyze the graphed lines.
Which line represents the problem situation?
A. Y1
#7. Which equation represents a proportional relationship?
D. Y=1/3x
#9. A bird-watcher estimates the number of songbirds to the number of birds of prey he will see on a bird-watching trip. His predictions are shown in the graph. What is the rate of change in the graph.
B. 2/7
#16. Consider the points A(0,0), B(2,3), C(4,6), and D(8,12).
A. Plot the points and draw a line through the points.
B. Create right triangles using points A/B and using points C/D, then calculate the rate of change between each pair of points.
C. Write the equation of the line that passes through the points.
A. Check answers on paper
B. Rate of change between A/B is 3/2. Rate of change between C/D is also 3/2.
C. Y=3/2x
#8. What is the equation of the line shown on the graph?
B. Y=4x
#11. Consider the following graphs.
A. Tell whether the rate of change in each graph is positive or negative.
B. Determine the rate of change shown in each graph.
C. Restate the rate of change as a unit rate for each graph. Explain its meaning.
D. Tell whether the graphs represent proportional or non-proportional relationships. Explain your reason.
A. Graph a: positive & graph b: positive
B. Graph a: 7/3 & graph b: 6
C. Graph a: 2.3/1, cost per mile & graph b: 6/1, how much time it takes to assemble 1 clock
D. Graph a: NP, does not pass through the origin & graph b: proportional, passes through origin
#15. What can you conclude about the relationship being proportional or non-proportional based on each statement? Explain your reasoning.
A. The relationship may be proportional or non-proportional depending on whether the graph passes through the origin.
B. A relationship written in the form y=kx is proportional.
C. The graph of a relationship with a y-intercept other than (0,0) is non-proportional.
#6. Consider the graph shown. Which of the following does NOT represent The rate of change found when using similar triangles? Select all that apply.
C. -1/2 and D. -1/4
#14. Consider the points A(-2,-2), B(1,1), C(3,3), and D(9,9).
A. Plot the points and draw a line through the points.
B. Create right triangles using points A/B and using points C/D, then calculate the rate of change between each pair of points.
C. Write the equation of the line that passes through the points.
A. Check answers on paper
B. Rate of change between A/B is 1. Rate of change between C/D is also 1.
C. Y=X
M represents slope
B represents the y-intercept
Random question: what was the score of the chiefs/jaguars game this past weekend?? You can get an extra 100 points if you know how many passing yards Patrick Mahomes had.
Chiefs 27
Jaguars 20
P. Mahomes 195 passing yards
Create a proportional and non-proportional equation using the forms y=kx and y=kx+b.
Answers will vary.
#3. Consider the graph shown. Which of the following does not represent the rate of change found when using similar triangles? Select all that apply.
A. 4/6 and B. 2/3
#18. Consider the points A(12,0), B(6,4), C(3,6), and D(0,8).
A. Plot the points and draw a line through the points.
B. Create right triangles using points A/B and using points C/D, then calculate the rate of change between each pair of points.
C. Write the equation of the line that passes through the points.
A. Check answers on paper
B. Rate of change between A/B is -2/3. Rate of change between C/D is also -2/3.
C. Y=-2/3x + 8
You can get an extra 100 points if you get the year correct.
January 10th, 1996
Random question: how many pets does Miss Nicholson have?
You can earn 100 extra points if you know the name or names of her pet or pets.
1 dog
Her name is Sadie