Learning to Graph Cosine with a Reflection and Period Change

Interactive Video
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Mathematics, Social Studies
•
11th Grade - University
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the absolute value of 'a' in the cosine function y = a * cos(BX - C) + D?
The value of B
The value of C
The value of D
The absolute value of a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phase shift of the function y = a * cos(BX - C) + D if C = 0?
The graph shifts to the right
The graph shifts to the left
The graph starts at zero
The graph is reflected
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the period of a standard cosine graph?
3π/2
π/2
2π
π
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many important points are there in a standard cosine graph?
Five
Four
Three
Two
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the X scale for a transformed cosine graph?
Subtract the phase shift from the period
Add the period to the phase shift
Divide the period by 2
Multiply the period by 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of a negative 'a' value on the cosine graph?
It reflects the graph over the X-axis
It shifts the graph to the left
It shifts the graph to the right
It stretches the graph vertically
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the cosine graph when the amplitude is increased?
The graph's peaks and troughs become higher and lower
The graph shifts upwards
The graph becomes narrower
The graph becomes wider
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