# 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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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

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

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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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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)*

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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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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