Answers2026 Summer 305 Edgenuity CR_Grade 8 Pre-Algebra_MathComparing Functions in the Real World

Comparing Functions in the Real World Answers

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1
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Answers:
Selection 1:1.4 in.
Selection 2:Plant A, 0.4 in. more
2
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How fast does Plant B grow each week?

Answer not available
3

Which plant grows faster each week?

Answer not available
4

Use the data for each plant’s growth to determine and compare the rates of change.How fast does Plant A grow each week? How fast does Plant B grow each week? Which plant grows faster each week?

Answers:
Selection 1:1.8 in.
Selection 2:1.4 in.
Selection 3:Plant A, 0.4 in. more
5

Simon claims that Plant B will be taller than Plant A in 6 weeks because it has the greater initial value. Is he correct?

A
Yes. The plant with the greater initial value will continue to be taller.
B
Yes. Plant B is 2.4 inches taller than Plant A at 6 weeks.
C
No. The greater rate of change of Plant A will result in it being 0.9 inches taller in 6 weeks.
D
No. The initial value of Plant A is greater.
6

Assume Plant B received sunlight, and its rate of change was 1.6 inches a week instead of 1.4 inches per week. Would it be taller at 6 weeks?

A
No. It will be shorter.
B
No. It will be the same height.
C
Yes. It will be 0.3 inches taller.
D
Yes. It will be 4.5 inches taller.
7

What can Jenna conclude about her math and science assignments?

A
She had more math assignments to start with and completed more math assignments weekly.
B
She had more math assignments to start with, but completed more science assignments weekly.
C
She had more science assignments to start with and completed more science assignments weekly.
D
She had more science assignments to start with, but completed more math assignments weekly.
8

more weeks

Answer:

3

9

Choose a relationship model that will reach $0 in the same number of days as this scenario:Mika has $12 and spends $2 each day.

A
y = –2x – 12
B
y = –3x + 18
C
y = –4x + 12
D
y = –12x + 2
10

In science, students are observing the growth of two plants. Plant A receives sunlight and Plant B does not. The graph and table show the data for this scenario.What is the initial height of Plant B? inches

Answer:

4

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