9-63a Determine by inspection whether the lines in the system below intersect, coincide (are the same line), or are parallel. Do not actually solve the system.
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Question 2
2.
9-63a Explain how you determined whether the lines in the system below intersect, coincide (are the same line), or are parallel.
1 point
1
Question 3
3.
9-63b Determine by inspection whether the lines in the system below intersect, coincide (are the same line), or are parallel. Do not actually solve the system.
1 point
1
Question 4
4.
9-63b Explain how you determined whether the lines in the system below intersect, coincide (are the same line), or are parallel.
1 point
1
Question 5
5.
9-63c Determine by inspection whether the lines in the system below intersect, coincide (are the same line), or are parallel. Do not actually solve the system.
1 point
1
Question 6
6.
9-63c Explain how you determined whether the lines in the system below intersect, coincide (are the same line), or are parallel.
1 point
1
Question 7
7.
9-63d Determine by inspection whether the lines in the system below intersect, coincide (are the same line), or are parallel. Do not actually solve the system.
1 point
1
Question 8
8.
9-63d Explain how you determined whether the lines in the system below intersect, coincide (are the same line), or are parallel.
1 point
1
Question 9
9.
9-64a What kind of growth does this graph show?
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Question 10
10.
9-64b What is this graph describing?
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Question 11
11.
9-64c How far from home is the person when the graph starts?
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Question 12
12.
9-64d How fast is the person traveling? Explain how you can use the graph to determine the rate of travel.
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Question 13
13.
9-64e Write an equation to represent the line on the graph.
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Question 14
14.
9-65 Eric set up this ratio for two similar triangles:
He solved the problem and found x ≈ 6.67. What was his mistake?
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Question 15
15.
9-66
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Question 16
16.
9-47a Andrea wants to have $9500 to travel to France when she is 22. She currently has $5976 in a savings account earning 5% annual compound interest. Andrea is 14 now. If she does not take out or deposit any money, how much money will Andrea have when she is 18?
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Question 17
17.
9-47b Andrea wants to have $9500 to travel to France when she is 22. She currently has $5976 in a savings account earning 5% annual compound interest. Andrea is 14 now.
Will Andrea have enough money for her trip when she is 22? How much will she have when she is 22?