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Algebra 2 8-2 Mixed Review: The Reciprocal Function Family

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Last updated over 3 years ago
7 questions
10
A.CED.2
F.BF.3
10
A.CED.2
F.BF.3
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N.RN.2
10
A.SSE.3.a
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A.SSE.3.a
6
10
Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Review Lesson 4-4: Factor the quadratic expression.
Enter only an expression.

Question 5
5.

Review Lesson 4-4: Factor the quadratic expression.
Enter only an expression.

Question 6
6.

Question 7
7.

Review Lesson 8-1: Suppose that x and y vary inversely . Match a modeling function from the left with each inverse variation on the right and find y when x = -5.
When x = -5, y = -10.
When x = -5, y = -4.8.
x=48\div y
y=\frac{50}{x}
When x = -5, y = -9.6.
xy=24
Inverse variation: x = 2 when y = 12.
Inverse variation: x = 25 when y = 2.
Inverse variation: x = 12 when y = 4.
Review Lesson 7.1: Without graphing, determine and indicate whether each function on the right represents exponential growth or exponential decay. Also, determine and indicate the y-intercept of each function on the right.
y-intercept: 0.1
y-intercept: 5
y-intercept: 3
Exponential growth
Exponential decay
y=3\left(4\right)^x
y=0.1\left(2\right)^x
y=5\left(0.8\right)^x
y=3\left(\frac{1}{2}\right)^x
Review Lesson 6-3: Identify the product of each expression on the left. Match each expression with its product on the right.
\left(4+2\sqrt{3}\right)\left(6-3\sqrt{3}\right)
\left(5\sqrt[3]{3}\right)^2
\left(\sqrt{3}+\sqrt{5}\right)\left(\sqrt{3}-\sqrt{5}\right)
6
-2
25\cdot 3^{\frac{2}{3}}
Vocabulary Review: Identify the reciprocal(s) from the list.
\frac{1}{3x}\ ,\ 3x
\frac{7}{8}\ ,\ \frac{8}{7}
\frac{1}{x}\ ,\ \frac{1}{2x}
Vocabulary Review: Classify each statement as eitherTrue or False.
The reciprocal of a positive number is positive.
The reciprocal of a negative number is positive.
A negative number has no reciprocal.
The reciprocal of 0 is undefined.
True
False