Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 9 (request help)

    A fabric store sells cotton for $7.00 a yard. The price of special occasion fabric is shown in the graph. Compare the functions' rates of change.

  • Type below:
  • Question 10 (request help)

    Two players played a game. The first player's score is represented by the function \(\text{p} = 5\text{c} - 3\), where p is the number of points scored and c is the number of correct answers. The second player's score is shown in the table.

    a. Compare the functions by comparing their y-intercepts and rates of change.

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  • Question 10 (request help)

    b. How much points will be the first player have if he or she correctly answers 30 questions?

  •     points
  • Question 11 (request help)

    Justify Conclusions Jesse and Juan each open savings accounts. The amounts in Jesse's account are shown in the table. Juan saves $5 per week. Who will have more saved in 8 weeks? Explain.

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  • Question 12 (request help)

    Canada Olympic Park features sports training and entertainement facilities. The Monster zip line produces average speeds of 120 kilometers per hour. A smaller line produces speeds represented by the function \(\text{d} = 50\text{h}\) where d is the distance in kilometers after h hours. How much farther could you travel on the Monster zip line in 0.25 hours?

  •     more miles
  • Question 13 (request help)

    Raj gets a 1.5 mile head start and runs at a rate of 4.5 miles per hour. Jacinda's progress is represented by a graph that goes through the points (1, 10), (2, 20), and (3, 30). How long will Jacinda need to run to catch up with Raj?

  • hours

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