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QR Challenge: Trig A Chapters 0-2 Final Review

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. For the rational function f(x)= (-7x+7)/(3x+5), find all the vertical asymptotes and horizontal asymptotesv.a:x=-5/3, h.a: y=-7/3
2. The graph of y = |x| is reflected about the x-axis and shifted up 2. Write the resulting functiony = –|x| + 2
3. Find the vertex of the parabola associated with the quadratic function. y=x^2 +10x +33(–5,8)
4. Use long division to divide the polynomials. Express the answers in the form of Q(x)= and r(x)= (x^2+8x+19)/(x+5)Q(x)=x+3; r(x)=4
5. The graph of y=√(x) is reflected about the x-axis and shifted to the left 7. Write the resulting function.y=-√(x+7)
6. Find the domain of the rational function f(x) = (18)/(28-7x)(-∞,4)U(4,∞)
7. Rewrite in interval notation: 18≤x≤18{18}
8. Find the equation of the circle with radius 8 and center (–9, –3) in standard form.(x + 9)^2 + (y + 3)^2 = 64
9. Solve c^3 + 3c^2 - 40c = 0 for c.{0, 5, –8}
10. Find the horizontal and vertical asymptotes for the function f(x) = [(x+2)(x-3)]/[(x-2)(x+3)]H.A. y=1, V.A. x=-3, 2
11. Solve using the quadratic formula.49y^2 + 56y - 290 =0(-4+3√34)/7, (-4-3√34)/7
12. The function y = 8 – 3x is a one-to-one function. Find its inverse.y=-(1/3)x +(8/3)
13. Solve the equation. |1.4x – 1.8| = 4.1 {–1.64, 4.21}
14. Classify the following relationship as a function or not a function. {(–18, –19), (15, 10), (10, –7), (5, 17), (–8, 5)}a function
15. For the polynomial function f(x)=(x-4)(x+6)(x-5)^2 , find the y - intercept.–600
16. Find all the real zeros (and state their multiplicity) of the polynomial function. y=x^6 - 8x^5 + 16x^40 (multiplicity 4), 4 (multiplicity 2)
17. Determine whether the number 1 is a zero of f(x) = x^3 -x^2 - 36x +36. If it is, find the other real zeros.1 is a zero and the others are 6 and –6.
18. A company has a total of $13,850 allocated for monthly costs. Fixed costs are $7,950 a month and variable costs are $5 per unit. How many units can be manufactured a month?1,180
19. Determine if the function f(x) = √(7+x) is even, odd, or neither even nor odd.neither even nor odd
20. Given the equations f(x) = 8x + 4 and g(x) = 7x – 2, find (f o g)(x)56x – 12
21. Given the functions f(x) = 9 – 7x and g(x) = 4x + 6, find (f – g)(x)–11x + 3
22. Given the function H(x) = 1 – x^2 , evaluate H(x – 5).–24 + 10x – x^2
23. Solve the radical equation.√(x-3) = 7{52}
24. Find the vertical and horizontal asymptotes for the following function. f(x)= (x^2 + x - 20)/(x^2 - 3x - 18) y = 1, x = -3, x = 6

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=For-the-rational-function-f(x)=-(-7x+7)/(3x+5),-find-all-the-vertical-asymptotes-and-horizontal-asymptotes

Question 1 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-graph-of-y-=-|x|-is-reflected-about-the-x-axis-and-shifted-up-2.--Write-the-resulting-function

Question 2 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-vertex-of-the-parabola-associated-with-the-quadratic-function.-y=x^2-+10x-+33

Question 3 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use-long-division-to-divide-the-polynomials.--Express-the-answers-in-the-form-of-Q(x)=-and-r(x)=-(x^2+8x+19)/(x+5)

Question 4 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-graph-of-y=√(x)-is-reflected-about-the-x-axis-and-shifted-to-the-left-7.--Write-the-resulting-function.

Question 5 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-domain-of-the-rational-function-f(x)-=-(18)/(28-7x)

Question 6 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Rewrite-in-interval-notation:-18≤x≤18

Question 7 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-equation-of-the-circle-with-radius-8-and-center-(–9,-–3)-in-standard-form.

Question 8 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve-c^3-+-3c^2---40c-=-0-for-c.

Question 9 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-horizontal-and-vertical-asymptotes-for-the-function-f(x)-=-[(x+2)(x-3)]/[(x-2)(x+3)]

Question 10 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve-using-the-quadratic-formula.49y^2-+-56y---290-=0

Question 11 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-function-y-=-8-–-3x-is-a-one-to-one-function.--Find-its-inverse.

Question 12 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve-the-equation.-|1.4x-–-1.8|-=-4.1

Question 13 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Classify-the-following-relationship-as-a-function-or-not-a-function.-{(–18,-–19),-(15,-10),-(10,-–7),-(5,-17),-(–8,-5)}

Question 14 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=For-the-polynomial-function-f(x)=(x-4)(x+6)(x-5)^2-,-find-the-y---intercept.

Question 15 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-all-the-real-zeros-(and-state-their-multiplicity)-of-the-polynomial-function.-y=x^6---8x^5-+-16x^4

Question 16 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Determine-whether-the-number-1-is-a-zero-of-f(x)-=-x^3--x^2---36x-+36.--If-it-is,-find-the-other-real-zeros.

Question 17 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-company-has-a-total-of-$13,850-allocated-for-monthly-costs.--Fixed-costs-are-$7,950-a-month-and-variable-costs-are-$5-per-unit.--How-many-units-can-be-manufactured-a-month?

Question 18 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Determine-if-the-function-f(x)-=-√(7+x)-is-even,-odd,-or-neither-even-nor-odd.

Question 19 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Given-the-equations-f(x)-=-8x-+-4-and-g(x)-=-7x-–-2,-find-(f-o-g)(x)

Question 20 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Given-the-functions-f(x)-=-9-–-7x-and-g(x)-=-4x-+-6,-find-(f-–-g)(x)

Question 21 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Given-the-function-H(x)-=-1-–-x^2-,-evaluate-H(x-–-5).

Question 22 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve-the-radical-equation.√(x-3)-=-7

Question 23 (of 24)

 


Trig A Chapters 0-2 Final Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-vertical-and-horizontal-asymptotes-for-the-following-function.-f(x)=-(x^2-+-x---20)/(x^2---3x---18)

Question 24 (of 24)