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Exponential Regression

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Exponential Regression
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Describe the association of the scatter plot.

Linear

Exponential; Growth

Exponential; Decay

Linear; negative association

Tags

CCSS.8.F.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Greenville is having a blizzard. It has already snowed 1 inch and the total will double each hour. Write an equation for the total inch of snow in x hour. Use exponential regression.

y=1(2)x

y=1(1/2)x

y=2(1/2)x

y=2(2)x

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

After 9 days, approximately how many grams of this substance will exist?

about 64244

about 173602

about 23774

about 469111

4.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

A box containing 1,000 coins is shaken, and the coins are emptied onto a table. Only the coins that land heads up are returned to the box, and then the process is repeated. The accompanying table shows the number of trials and the number of coins returned to the box after each trial.

Write an exponential regression equation that represents the table.

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

5.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

The accompanying table shows the number of bacteria present in a certain culture over a 5-hour period, where x is the time, in hours, and y is the number of bacteria.

 Write an exponential regression equation.

Round to the nearest hundredth.

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

6.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

A box containing 1,000 coins is shaken, and the coins are emptied onto a table. Only the coins that land heads up are returned to the box, and then the process is repeated. The accompanying table shows the number of trials and the number of coins returned to the box after each trial.

Using the equation you wrote, predict how many coins would be returned to the box after the eighth trial.

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

7.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

The breaking strength, y, in tons, of steel cable with diameter d, in inches, is given in the table.

Write an exponential regression equation.

Round to the nearest hundredth

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.2

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