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Inverse Variation and Rational Functions

Authored by Amanda Mathis

Mathematics

11th - 12th Grade

TEKS covered

Used 5+ times

Inverse Variation and Rational Functions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

14
10
2
-14

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Does the equation show an inverse variation? 
y=10/x

yes
no

Tags

TEKS.MATH.A.3B

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What kind of variation does this equation show?
y = 6x

Inverse Variation
Direct Variation
No Variation
Joint Variation

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

TEKS.MATH.8.5E

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the following equation, identify the constant k.
y = 54/x

There is one.
k = x
54
y = k

Tags

TEKS.MATH.A.3B

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If y varies jointly with the product of x and z, and y = 105 when x = 5 and z = 7, find y when x = 9 and z = 10.

270

180

360

255

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The variable x is in joint variation with y and z. When the values of y and z are 4 and 6, x is 16. What is the value of x when y = 8 and z =12?

32

64

48

96

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A is in joint variation with B and square of C. When A = 144, B = 4 and C = 3. Then what is the value of A when B = 6 and C = 4?

12

24

36

48

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

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