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QR Challenge: Quiz #3

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. 1. Write an equation with a y-intercept of 1 and a slope of -4. C. y = -4x +1
2. 2. Write an equation that is perpendicular to the equation y = 4x +3. f(x)= -1/4 x-6
3. 3. Create a scatter plot that describes a negative correlation.down from left to right
4. 4. Write down the slope intercept formula. y=mx+b
5. 5. Diego drew the graph of the line y = 1/2x+3 on a large coordinate grid in his classroom. Samantha drew the graph of the line y = 1/2x-4 on the same coordinate grid. How does Samantha’s graph compare to Diego’s? parallel and shifts down
6. 6. Write the equation of the line given the following information. Slope of -10 passing through (3, -8). y=-10x+22
7. 7. Write the equation of the Linear Parent Funtion. A)y=2x B)y=x B
8. 8. What is the slope of a Horizontal Line? A) undefined B) 0 B
9. 9. Which function includes the data set {(-1,3)(0,0)(4,-12)} A)y=3x B)y=0 C)y=-3x C
10. 10. What is the range of the function f(x) = 2x – 4 when the domain is { -3, 4, 5}? -10,4,6

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=1._Write_an_equation_with_a_y-intercept_of_1_and_a_slope_of_-4.

Question 1 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=2._Write_an_equation_that_is__perpendicular_to_the_equation_y_=_4x_+3.

Question 2 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=3._Create_a_scatter_plot_that_describes_a_negative_correlation.

Question 3 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=4._Write_down_the_slope_intercept_formula.

Question 4 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=5._Diego_drew_the_graph_of_the_line_y_=_1/2x+3_on_a_large_coordinate_grid_in_his_classroom.__Samantha_drew_the_graph_of_the_line_y_=_1/2x-4_on_the_same_coordinate_grid._How_does_Samantha’s_graph_compare_to_Diego’s?

Question 5 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=6._Write_the_equation_of_the_line_given_the_following_information._Slope_of_-10_passing_through_(3,_-8).

Question 6 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=7._Write_the_equation_of_the_Linear_Parent_Funtion._A)y=2x_B)y=x

Question 7 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=8._What_is_the_slope_of_a_Horizontal_Line?_A)_undefined_B)_0

Question 8 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=9._Which_function_includes_the_data_set_{(-1,3)(0,0)(4,-12)}_A)y=3x_B)y=0_C)y=-3x

Question 9 (of 10)

 


Quiz #3: QR Challenge

https://www.classtools.net/QR/decode.php?text=10._What_is_the_range_of_the_function_f(x)_=_2x_–_4_when_the_domain_is_{_-3,_4,_5}?

Question 10 (of 10)