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Algebra 2 8-1 Mixed Review: Inverse Variation

Posljednje ažuriranje over 3 years ago

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A.CED.2

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Pitanje 1

1.

Review Lesson 7-6: Solve each equation. Match a solution from the left with each equation on the right.

\frac{e^5}{4}
\frac{e^2}{8}
3e^4

\ln 4+\ln x=5
\ln x-\ln 3=4
2\ln x+3\ln 4=4

Pitanje 2

2.

Review Lesson 6-2: Multiply and simplify. Match a simplified expression from the left with each expression on the right.

90x^2
84x^2
10\sqrt{2}x^2y^{\frac{7}{2}}

5\sqrt{6x}\cdot 3\sqrt{6x^3}
3\sqrt[3]{2x^2}\cdot 7\sqrt[3]{32x^4}
\sqrt{5x^3}\cdot \sqrt{40xy^7}

Pitanje 3

3.

Review Lesson 2-7: Match a description from the left with each equation on the right to describe how the equation is a transformation of the parent function y = |x|.

Translate left 2 units.
Translate right 2 units.
Translate up 2 units.
Translate down 2 units.
Stretch horizontally by a factor of 2.
Stretch vertically by a factor of 2.

y = |x| + 2
y = |x + 2|
y = 2|x|

Pitanje 4

4.

Vocabulary Review: Which expression(s) do NOT contain a constant term?

6y + 5

x - 7y + z

π + 3x

x² + 3y

7y + (-6) + x

Pitanje 5

5.

Use Your Vocabulary: Use the true and false boxes on the left to tag each statement on the right.

true
false

As the radius of a pizza increases, the circumference of the pizza also increases. This relationship represents a direct variation.
As the number of miles a car is driven increases, the number of gallons of gas in the car's tank decreases. This relationship represents an inverse variation.
As the number of pages in a book increases, the weight of the book increases. This relationship represents an inverse variation.