Algebra

1. Graph the function and identify the domain and range. y=-5x^2 oo=infinite
A) Domain: (-oo, oo) Range: [0, oo)
B) Domain: (-oo, oo) Range: (-oo, 0]
C) Domain: (-oo, oo) Range: (-oo, 0]
D) Domain: (-oo, oo) Range: [0, oo)

2. How is the graph of y=-6x^2-4 different from the graph of y=-6x^2?
A)It is shifted 4 units to the left
B)It is shifted 4 units to the right
C)It is shifted 4 units down
D)It is shifted 4 units up

3. A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y= -0.8x^2+12x+25.8 where x is horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground.
How far horizontally from its starting point will the rocket land? Round your answer to the nearest hundredth of a meter?
A)82.03m
B)6.50m
C)90.00m
D)88.53m

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  1. WHat are your answers?
    We would be happy to check your answers : )

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  2. 3 RE: ANSWERS
    A)25.80 m
    B)37.00 m
    C)17.24 m
    D)16.91 m

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  3. 1. B?
    2. C?
    3. C?

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  4. In #1 aren't b) and c) the same typed in answer??

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  5. #2 is correct :)

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  6. For #3 either use the quadratic formula to find your zeros, or factor it : )

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  7. I need help with these

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  8. 1:B
    2:D
    3:B
    4:A
    5:B
    6:A
    7:A
    8:A
    9:B
    10:B
    11:C
    12:B
    13:A
    14:B
    15:D
    16:D
    17:D
    18:C
    19:D
    20:B
    21:C
    Here are the answers

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  9. B
    D
    D
    A
    A
    A
    A
    A
    B
    B
    C
    A
    B
    C
    C
    C
    B
    B
    D
    C
    A

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  10. ^^^ for unit 5 lesson 10 unit test!

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  11. Which is right!?

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  12. i sacrificed my grade for this:
    1. b
    2. c
    3. b
    4. c
    5. b
    6. a
    7. a
    8. b
    9. c
    10. d
    11. d
    12. b
    13. b
    14. b
    15. c
    16. c
    17. d
    18. c
    19. d
    20. b
    21. a

    :)

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  13. is jj right? i’m about to check the answers

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  14. I just checked it and I got 12/21 :|

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  15. From jj’s answer

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  16. mulla is wrong guys i got 12 out of 21

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  17. cough what r the answers

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  18. @swag boy lol what are the answers plz

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  19. post the answers plz

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  20. I don’t know if all our questions are the same but this is 21/21 of my questions.

    1. Graph the function and identify the domain and range. y=-5x^2

    *graph that points downwards and the top touches (0,0)*

    2. How is the graph of y=-8x^2-2 different from the graph of y=-8x^2?

    It is shifted 2 units down.

    3. A model rocket is launched from a roof into a large field. The oath of the rocket can be the equation y=-0.04x^2+8.3x+4.3, where c is the horizontal distance, in meters…

    208.02 m

    4. Which of the following functions has a rate of change that stays the same?

    y=-4x+10

    5. How many real number solutions does the equation have? 0=5x^2x-12

    two solutions

    6. How many real number solutions does the equation have? -8x^2-8x-2=0

    one solution

    7. Graph the set of points. Which model is most appropriate for the set? (-6,0)(-4,2)(-3,3)(2,8)

    Linear: *the one that is completely above the x axis/the middle line*

    8. What type of equation will best fit the data below? *3/4 of parabola (upside down U)*

    quadratic

    9. Water is added to two containers for 16 minutes. The equations below model the ounces of water, y, in each container after…

    328 ounces

    10. If an obhect fropped from a height of 85 feet, the function h(t)=-16t^2+85…

    2.30 seconds

    11. A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder (h)…

    Reaches a maximum height of 372.25 feet after 4.63 seconds.

    12. Use the graph of f(x) to find the solutions to the equation f(x)=0 *parabola that points down and touches (-10,0) and (2,0)

    two solutions x=-10,2

    13. What are the solutions of the equation 2x^2=2? Use the graph of a related function whose roots answer the question.

    *parabola that points upwords and touches (-1,0) and (1,0)*

    14. Solve the equation using the Zero Product Property. (2x+6)(3x-6)=0

    -3 and -2

    15. What are the solutions of the equation? 0=x^2+3x-10

    x = -5,-2

    16. A community group is planning the expansion of a square flower garden in a city park. If each side of the original garden is increased by 9 meters…

    4 m

    17. What is the value of c so that x^2 -11x+c is a perfect square trinomial?

    121/4

    18. Solve the equation by completing the square. Round to the nearest hundredth. x^2+6x=-7

    -4.41, -1.59

    19. Solve the equation by completing the square. x^2-6x+7=0

    1.59, 4.41

    20. Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x^2+3=-4x

    -1,-3

    21. Which kind of function best models the data in the table? Use differences or ratios. [x: 0,1,2,3,4] [y:1.3, 7.8, 46.8, 280.8, 1648.8]

    exponential

    👉If any of these questions match your quiz, put the answer I wrote.👈

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  21. Can someone confirm this?

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  22. Some are correct but the test has different questions for different people.

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  23. most of rip thats answers were wrong

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  24. Answers!!! This is overdue😬

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  25. Ill give yall the answers when im done w the test

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  26. put the answer and question tho

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  27. bruh i need answrs pls

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  28. Can’t put real name😪, did you forget to put the answers?

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  29. I really hope only use these to check answers and I don't get reported but just took test and checked answers so here ya go
    1:B
    2:C
    3:A
    4:C
    5:A
    6:A
    7:A
    8:B
    9:B
    10:C
    11:D
    12:A
    13:B
    14:B
    15:D
    16:D
    17:D
    18:A
    19:D
    20:B
    21:C
    Please don't cheat it just isn't worth it but if you do that's on you. I don't cheat I do this for those who need to check their answers. Don't start a fight with me cuz of what I said I'm just being honest. Please be a little bit smarter than this but it's your life not mine. I can't control ya'll so good luck. :b

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  30. jj is wrong

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