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Writing Linear Equations (Rate of Change and Initial Value)

Authored by Delydia Albert

Mathematics

8th Grade

CCSS covered

Used 7+ times

Writing Linear Equations (Rate of Change and Initial Value)
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

A cement truck is being loaded with cement. The graph below represents the weight, in tons, of the truck as it is being loaded over time. Which of the following statements is true? Select all that apply.

When 0 minutes have past, the weight is 15 tons

The initial value is 0

When the input is 0, the output is 15

The rate of change is 15

The independent variable is minutes

Tags

CCSS.HSF.IF.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Below is the weight of a baby muskrat after it is born. The muskrat’s weight continues to increase at a constant rate. What is the initial value of this function?

9

13

6

12

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Below is the weight of a baby muskrat after it is born. The muskrat’s weight continues to increase at a constant rate. What is the rate of change in this function?

9

13

6

2

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Below is the weight of a baby muskrat after it is born. The muskrat’s weight continues to increase at a constant rate. What equation models this function?

y=2x+9

y=2x+13

y=3x+9

y=3x+13

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Robert pays for his family to go to the fair. He pays an initial entrance fee and an additional cost per ride as shown on the graph.

True or False: The situation can be represented by the equation y = 15x + 1.5.

True; the equation is correct.

False; the equation should be y=1.5x+15.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hanna works at an aquarium and needs to drain the seahorse tank for cleaning. The table below shows the gallons of water in the tank based on the number of minutes it has been draining.

True or False: The situation can be represented by the equation

y = -2.5x + 60.

True; the equation correct.

False; the equation should be y=2.5+60.

Tags

CCSS.HSF-BF.A.1A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The balance of Sam’s account, y, based on the number of weeks spent saving, x, can be represented by y = 35x + 10. The balance of his sister’s account based on the weeks spent saving is shown on the graph.

True or False: Sam started with less money in his account than his sister.

True; Sam's initial value is less than his sister's.

False; Sam's initial value is greater than his sister's.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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