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Algebra 1 7-6 Exponential Functions

5 (1 rating)

| 28 Questions

Note from the author:

A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

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1

5 pts

Solve It! Your soccer team wants to practice a drill for a certain amount of time each day. Which plan will give your team more total practice time over 4 days?

Plan 1

Plan 2

2

5 pts

Solve It! Which plan will give your team more total practice over 8 days?

Plan 1

Plan 2

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3

10 pts

Problem 1 Got It?

A

B

C

D

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4

10 pts

Problem 1 Got It?

A

B

C

D

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5

10 pts

Problem 2 Got It?

A

B

C

D

6

10 pts

Problem 3 Got It? Graph the function on the coordinate plane.

Be sure to include relevant graph detail: label axes, indicate units and scale on both axes, and use arrows to represent end behavior, as appropriate.

7

10 pts

Problem 3 Got It? Graph the function on the coordinate plane.

Be sure to include relevant graph detail: label axes, indicate units and scale on both axes, and use arrows to represent end behavior, as appropriate.

8

10 pts

Problem 4 Got It? You can also zoom out to view a larger area on the map in Problem 4. The function models the percent of the original area the map shows after zooming out x times.

Graph the function. Zoom the graphing utility to establish an appropriate viewing window.

9

10 pts

Problem 4 Got It? Reasoning: What is the percent increase in the area each time you zoom out in the previous item? Enter only a number.

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10

10 pts

Problem 5 Got It?

A

B

C

D

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11

10 pts

Problem 5 Got It?

A

B

C

D

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12

10 pts

Problem 5 Got It?

A

B

C

D

13

10 pts

Identify the domain and range of the relation {(-2, 3), (-1, 4), (0, 5), (1, 6)}.

Represent the relation with a mapping diagram by adding the domain, range, and arrows to the template provided.

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14

10 pts

Is the relation in the graph a function?

Use the vertical line test.

Yes, it is a function. The graph passes the vertical line test.

No, it is not a function. The graph fails the vertical line test.

15

10 pts

What is f(2) for the function?

16

10 pts

The domain of f(x) is {-4, -2, 0, 2, 4}

Given the domain above, what is the range?

{-2, -1, 0, -1, -2}

{-4, -2, 0, 2, 4}

{-2, -1, 0, 1, 2}

18

10 pts

Reasoning: Is the function an exponential function? Justify your answer.

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19

3 pts

Error Analysis: A student evaluated the function f(x) for x = -1 as shown. Describe and correct the student's mistake.

20

20 pts

Review Lesson 7-4: Simplify each expression on the canvas.

21

10 pts

Review Lesson 5-6: Write an equation for the line that is parallel to the given line and passes through the given point.

y = x + 5

y = x

y = 5x

y = 5x + 1

22

10 pts

Review Lesson 5-6: Write an equation for the line that is parallel to the given line and passes through the given point.

y = 3x

y = 3x + 1

y = 2x + 3

y = x

23

10 pts

Review Lesson 2-10: Identify each scenario as representing percent increase or percent decrease.

- Percent increaseAnswer by dragging items here
- Percent decreaseAnswer by dragging items here

24

10 pts

Review Lesson 2-10: Identify each percent change. Round to the nearest percent.

- 31%Answer by dragging items here
- 20%Answer by dragging items here
- 36%Answer by dragging items here
- 12%Answer by dragging items here

25

10 pts

Vocabulary Review: Identify each relation based on whether or not it is a function.

- FunctionAnswer by dragging items here
- Not a functionAnswer by dragging items here

26

10 pts

Use Your Vocabulary: Complete the sentence with the word exponential or exponent. Respond with only the word.

In the expression 5³, 3 is the __?__.

27

10 pts

Use Your Vocabulary: Complete the sentence with the word exponential or exponent. Respond with only the word.

The expression above is an __?__ expression.

28

10 pts

Reflection: Math Success

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