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
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.👈