HW 13

Homework is numbers 2-4

For each one, be sure to do parts a-c. For example, here is what the answer to number 1 might look like:

1. a. A direct variation.
    b. The relationship involves a constant change and no fixed starting amount.
    c. a=25w

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HW 12

Your homework is pg. 8-9 #11-14

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If you bring your USB/Flash drive, I will give you a copy of the textbook.

Test Prep

Due in its ENTIRETY for bonus credit:

Pg 144 #4 (just slope), 5, 7
Pg. 152 #1
Pg. 161 #1
Pg. 168 #1-4, 6
Pg. 175 #1-3, 6

Pg. 177-180 #1-7, 13-15, 19, 21, 43-46
Pg. 177
Pg. 178
Pg. 179
Pg. 180

HW 11

1.   Describe the association in the data below. Explain your reasoning:

2.   Create a scatter plot for the data in the table below. Determine from your graph if there is any correlation between number of hours spent in the mall and number of dollars spent.

3.   The following chart shows the prices of gasoline and milk at a local convenience store for a period of three weeks. Exam this data for correlations between the price of gasoline and the price of milk.  Comment on what a correlation between this data is saying.

4.   Is the data in the table below linear or nonlinear? Using math terms, explain how you know this is true:

X	1	2	3	4	5	6	7	8	9
Y	1	8	27	64	125	216	343	512	729

HW 10

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HW 9

For numbers 1-2, find the slope and then EXPLAIN what the slope means in relation to the graph.

For numbers 3-4, just find the slope of the lines.

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