# Grade 10 Math: Quadratic Equations, Graphs, and More Maximum and Minimum of Quadratic Functions

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### Determine the maximum or minimum value for the following equation $$-y=4(x+1)^2+6$$

Maximum: 6
Minimum: 6
Maximum: 2
Maximum: 1
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### Determine the maximum or minimum value for the following equation $$y=-2x(x-4)$$

Minimum: 8
Minimum: -8
Maximum: 8
Maximum: -8
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### Determine the maximum or minimum value for the following equation $$y=(x-5)^2$$

Minimum: 5
Minimum: 0
Maximum: -5
Maximum: 0
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### Determine the maximum or minimum value for the following equation $$y=2x^2-7$$

Minimum: -7
Minimum: -7
Maximum: -2
Maximum: 2
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### Determine the maximum or minimum value for the following equation $$y=x^2-4x-1$$

Maximum: 4
Maximum: -5
Minimum: 5
Minimum: -5
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### Determine the maximum or minimum value for the following equation $$y=-3x^2-12+15$$

Maximum: -27
Maximum: 27
Minimum: 27
Minimum: -27
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### The height of a arrow shoot vertically upward from a penthouse is shown by $$h(t)=-5t^2+20t+50$$ where $$h(t)$$ is the arrow's height above the ground in yards, at time $$(t)$$ seconds after the shot. i) Determine the maximum height of the arrow.

45 yards
60 yards
100 yards
70 yards
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### ii) How long does it take for the arrow to reach its maximum height?

1 seconds
2 seconds
3 seconds
4 seconds
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### iii) How high is the penthouse?

50 yards
75 yards
100 yards
125 yards
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• ## Grade 10 Math Playlist

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•  130 Questions
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