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-1 - (-2). 4. a. / For each of these four expressions, -2 + 6, -(2...


-1 - (-2). 4. a. / For each of these four expressions, -2 + 6, -(2 + 6), -2 - 6,-(2 - 6) draw a number line (with a consisten
c. If you drive a steady 120 kilometers per hour for 2 hours, how far will you have driven? 3. Explain the difference among t
-1 - (-2). 4. a. / For each of these four expressions, -2 + 6, -(2 + 6), -2 - 6,-(2 - 6) draw a number line (with a consistent scale) and plot the expression on the number line. In each case, show clearly why the expression is located where it is based on the rules for plotting sums, differences, and negatives of numbers on number lines. b. Based on your work in part (a), compare and contrast the four expressions shown there.
c. If you drive a steady 120 kilometers per hour for 2 hours, how far will you have driven? 3. Explain the difference among the next three prob- lems and the way they are solved. a. Your laundry basket contains 4 plain socks: a red one, a blue one, a yellow one, and a green one. The basket also contains 4 striped socks: a red striped one, a blue striped one, a yellow striped one, and a green striped one. If you want to wear a plain sock on your left foot and a striped sock Answers to Practice Exercises for Secti 1 Can the tant fan avomninf a nroblems and
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Answer #1

4@ , - (2-6) -2 + 6, –(2+6), -2-6 Now according to rules of plotting sums, differences and negatives ie 4 -2 +6 -(2+6) - -(2-- 0 out of four expressions -(2-6) -2+6 and are same whereas .(2+6) and -2-6 are same. speed a time = 120 km/h 2 hours Then d

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