Lesson 5.9.1
5.9.1 Trigonometric functions in context Quiz: Pearson Edexcel Maths, Unit 5
20 questions
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Lesson 5.9.1, Trigonometric functions in context: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 5: Trigonometry, written with Revision Ninja.
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The 20 questions
-
What does a periodic trigonometric function model in real-world contexts?
- Exponential decay
- Linear growth
- Repeating phenomena
- Random noise
-
Which trigonometric ratio is typically used to model horizontal displacement in simple harmonic motion?
- Cosecant
- Cotangent
- Tangent
- Cosine
-
In a height-versus-time tide model, what does the vertical shift represent?
- Wave amplitude
- Phase angle
- Mean sea level
- Time period
-
What does the amplitude of a sinusoidal temperature model represent?
- Maximum variation
- Total duration
- Time shift
- Mean temperature
-
If a Ferris wheel completes one revolution every 60 seconds, what is the function's period?
- 60 seconds
- 30 seconds
- 360 seconds
- 120 seconds
-
When modelling hours of daylight, what is the standard period of the trigonometric function in days?
- 365
- 7
- 182.5
- 24
-
In the model h = 5 + 3sin(15t), what is the maximum height?
- 8
- 15
- 3
- 5
-
In the model h = 5 + 3sin(15t), what is the minimum height?
- 2
- 5
- -3
- 0
-
What term describes the horizontal shift when modelling a displaced trigonometric wave?
- Frequency
- Wavelength
- Amplitude
- Phase angle
-
For a spring oscillating vertically, which trigonometric function best models displacement from equilibrium over time?
- Logarithm
- Sine
- Secant
- Tangent
-
If angular speed omega is pi/6 radians per hour, what is the period of the model?
- 12 hours
- 3 hours
- 24 hours
- 6 hours
-
What does the coefficient of t inside a trigonometric argument determine in context?
- Phase shift
- Frequency
- Vertical shift
- Amplitude
-
When finding maximum values in contextual trig problems, which derivative must equal zero?
- Integral
- Discriminant
- First derivative
- Second derivative
-
To prove a model yields a maximum rather than a minimum, what should be checked?
- Y-intercept
- Second derivative
- Period
- Amplitude
-
In a sound wave model, what physical property does the amplitude correspond to?
- Frequency
- Volume
- Speed
- Pitch
-
In an alternating current model, what does the peak voltage represent?
- Amplitude
- Phase
- Period
- Frequency
-
If a wheel rotates at 2 revolutions per second, what is the frequency in Hertz?
- pi Hz
- 4 Hz
- 0.5 Hz
- 2 Hz
-
When modelling seasonal sales peaking in summer, which trigonometric curve is most easily adapted?
- Linear
- Cosine
- Tangent
- Exponential
-
What is the unit of the angle input when evaluating trigonometric context models in calculus?
- Radians
- Gradians
- Metres
- Degrees
-
If tide height is modelled by h = 4cos(30t), what is the amplitude of the tide?
- 2
- 4
- 30
- 15
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