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Solve the equations: 1.) 2.) 3.)

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Solve absolute value equations

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-If c is negative then there are no solutions, since an absolute value cannot be negative.

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If you multiply or divide by a negative number then you have to switch the direction of the inequality

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Solving linear inequalities worksheet, due on Monday, front and back.

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Solve the inequalities: 1.) 2.) 3.)

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Complete problems 1-6 on 6.2 standardized test practice. You have 12 minutes. If you finish early work on 6.2 B

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You want to go to the state fair and try your luck playing the games on the midway. The entrance fee is $5 and the games are each $1.50. Write an inequality that represents the possible number of games you can play if you have $25. Solve the inequality. What is the maximum number of games you can play?

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Objective: Write, solve, and graph compound inequalities.

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B.) All real numbers that are less than negative one or greater than 2. or

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Which values of x make the following true? 1.) 2.) Solve. 3.) 4.)

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Objective: Solve absolute value equations. Solve absolute value inequalities.

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Which values of x make the following true? 1.) 2.) Solve. 3.) 4.)

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Solve. 1.)2.)

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Get out 6.4 so I can check it for group points. Complete problems 1-6 on the 6.4 Standardized test practice. You have 12 minutes

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Find the mean, median and mode of the following set of data, 0 69 68 60 23 0 0 76 0 0 73 0 81 0 48 18 0 89 0 0 75 75 Now get rid of the zeros and do the same thing. What has changed? If I told you these were your test scores, why might I leave out the zeroes when I calculate the mean median and mode?

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Distribute and then combine like terms. 1.) 3(2x-1)2.) 2a-3(4-a) 3.) 4y(2y+3)-8y 2 +14.) 4v 3 – 3v 2 (2v+1)+ 2v 2 Find the area of a rectangle whose length is 2x and whose width is 3x-1

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Chapter 6 PLEs for 6.6 and 6.7 A1.2.D: Determine whether approximations or exact values of real numbers are appropriate, depending on the context, and justify the selection A1.6.A: Use and evaluate the accuracy of summary statistics to describe and compare data sets. A1.6.B: make valid inferences and draw conclusions based on data.

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Objective: Make and use a stem-and-leaf plot to put data in order. Find the mean, median and mode of data.

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A stem and leaf plot organizes data based on digits. Make a stem and leaf plot for the following set of data. 45 1 52 42 10 40 50 40 7 46 19 35 3 11 31 6 41 12 43 37 8 41 48 42 55 30 58 Work problem 11 on homework

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Make and stem and leaf pot and then find the mean, median and mode of the following data set. Which measure of central tendency is most representative of the data? 45 1 52 42 10 40 50 40 7 46 19 35 3 11 31 6 41 12 43 37 8 41 48 42 55 30 58

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If I add the number 100 to the previous data set, what would happen to my mean? The mode? The median?

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Determine if the following relationship is a function. What is the solution to a.) 7b.) 31/3c.) -7d) 21 What is the solution to a.) -6/23b.) no solutionc.) 0 d.) 23 Simplify: 1.) 3(x-4)2.) 4-2(1-x)+3x3.) 2b(b-4)-2b +1

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Objective: Draw a box-and-whisker plot to organize real-life data. Read and interpret a box-and-whisker plot.

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11 19 5 34 9 25 16 17 11 12 7

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1.) The following data are temperatures for the month of December. First make a stem and leaf plot and then use the stem and leaf plot to make a box and whisker plot. What part of the box and whisker plot represents the top half of the data? 40 8 12 33 26 21 30 31 0 32 35 19 15 2.) Find the mean and mode of the above data. What measure of central tendency best represents the temperature in December? simplify 3.) 4.)

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Best-fit line- A line that represents a collection of data, even if you can’t draw a line through all of the points Sometimes there is no line of best fit

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Positive correlation- When one increases, so does the other Negative correlation- when one increases, the other decreases No correlation- when there is no good line of best fit

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Mr. Shapiro found that the amount of time his students spent doing mathematics homework is positively correlated with test grades in his class. He concluded that doing homework makes students’ test scores higher. Is this conclusion justified? Explain any flaws in Mr. Shapiro’s reasoning.

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A graph comparing the age in months of a group of high scholars to their height in inches is to the right. Is there a positive correlation between height and age Would you say that this data proves that being older makes you taller? Why? If not, what would we need to do to prove it? Age (months)

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Pg. 378 #1-10

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For the following data first make a stem and leaf plot and then use the stem and leaf plot to make a box and whisker plot. What part of the box and whisker plot represents the top half of the data? 40 8 12 33 26 21 Solve:

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For the following data first make a stem and leaf plot and then use the stem and leaf plot to make a box and whisker plot. What part of the box and whisker plot represents the top half of the data? 10 8 9 2 3 2 1 4 5 Solve:

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Pg. 381 quiz 3 #1-9 Due at end of period

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WEEK 2 (16 -19 SEPTEMBER 2013) Unit 1 Data and Technology.

WEEK 2 (16 -19 SEPTEMBER 2013) Unit 1 Data and Technology.

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