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#15 More Graphing absolute Value using y = a|x - h| + k Due 9/18/20

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#15 More Graphing absolute Value using y = a|x-h| + k Due 9/18/20


Essential Question: How can you identify the features of the graph of an absolute value function?


Learning Target: Students will be able to graph absolute value function by their features using the standard form:

y = a|x - h| + k


Show all work.


Multiple submission allowed.

Wednesday 9/16

Question 1
1.

Warm-up


Use desmos to create an absolute value function with a vertex of (3,2)

Copy and Paste your function below.


Transformations of the function f(x)=|x|




Question 2
2.

Based on the above examples of vertical shift.

How is the graph of y = |x| + 2 related to the graph of its parent function y = |x|?

Question 3
3.

Based on the above examples of vertical shift.


How is the graph of y = |x| - 7 related to the graph of its parent function y = |x|?



Question 4
4.

Based on the above examples of horizontal shift.

How is the graph of y = |x - 8| related to the graph of its parent function y = |x|?

Question 5
5.

Based on the above examples of horizontal shift.


How is the graph of y = |x+2| related to the graph of its parent function y = |x|?



Question 6
6.

Based on the above examples of stretch and compression.


How is the graph of y = 2|x | related to the graph of its parent function y = |x|?

Question 7
7.

Based on the above examples of stretch and compression.


How is the graph of y = ¼|x | related to the graph of its parent function y = |x|?

Question 8
8.

What is the vertex of the function:

Question 9
9.

Based of the parent function, f(x)=|x|,




is this function stretched or compressed by a factor 3?

Question 10
10.

What is the vertex of the function:

Question 11
11.

Based of the parent function, f(x)=|x|,




is this function stretched or compressed by a factor 5?

Question 12
12.

Use desmos to graph f(x) and g(x)


What is the vertex of g(x)?




Question 13
13.

Describe how g(x) been transformed from the original function f(x)





Thursday 9/17

Essential Question: How can you identify the features of the graph of an absolute value function?


Learning Target: Students will be able to graph absolute value function by their features using the standard form:

y = a|x - h| + k


Show all work.

Warm-up Thursday 9/17

Question 14
14.

Find the vertex of the absolute value function:

Question 15
15.

Graph the absolute value function:
Be sure to label the vertex from question #14 and use it as the center of your graph.

Reflection

The graph opens up if a > 0 and opens down when a < 0


Question 16
16.

Based on the above example of reflection.


How does the "v" graph the of y = - 2|x | open?

Question 17
17.

Based on the above example of reflection.


How does the "v" graph the of y = ½|x | open?

Question 18
18.

Match each absolute value equation with its graph.

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Question 19
19.

Match each absolute value equation with its graph.

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Question 20
20.

Graph the absolute value function:
Be sure to label the vertex and use it as the center of your graph.

Question 21
21.

Graph the absolute value function:
Be sure to label the vertex and use it as the center of your graph.

Question 22
22.

Graph the absolute value function:
Be sure to label the vertex and use it as the center of your graph.

Review

Question 23
23.

Use the graph to create a function with the following features:

1) As x gets smaller; the function approaches negative infinity.

x→ - ∞; f(x)→- ∞

2) As x gets larger; the function approaches negative infinity.

x→ ∞; f(x)→ -∞

3) The graph of the function passes through the x-axis at 4.


Question 24
24.

Is this an open or closed interval?

Question 25
25.

The definition of absolute value is...

Question 26
26.

Simplify:


Show your work for credit.

The graph is translated 2 units up from the graph of the parent function.
The graph is translated 2 units down from the graph of the parent function.
The graph is translated 7 units down from the graph of the parent function.
The graph is translated 7 units to the left of the graph of the parent function.
The graph is translated 8 units to the right of the graph of the parent function.
The graph is translated 8 units to the left of the graph of the parent function.
The graph is translated 2 units to the right of the graph of the parent function.
The graph is translated 2 units up from the graph of the parent function.