TEKS.MATH.8.5F

Is this function linear or nonlinear?

• Linear
• Nonlinear

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TEKS.MATH.8.5F

y=18x  Proportional or non-proportional?

• proportional
• non-proportional

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TEKS.MATH.8.5F

Which function is linear?

• y = 2x + 4
• y = 2x² + 4
• y = 2x(4 − 3x)
• xy = 15

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TEKS.MATH.8.5F

Which of the situations below represents a non-proportional relationship?

• total distance traveled and number of hours traveled, if John drove his car at a constant rate of 60 miles per hour for 2 hours
• total earnings and number of hours spent babysitting, if Carrie babysat for 4 hours at a rate of $8 per hour
• total fees charged and number of carpeted rooms cleaned, if a carpet cleaning company charges $40 for the first room and $25 for each additional room
• total savings and number of weeks spent saving, if Jeremy saved $10 each week for 6 weeks

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TEKS.MATH.8.5F

What is the constant of proportionality?

• $3
• $4
• $2
• $9

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TEKS.MATH.8.5F

What is the constant (k) in this inverse variation?

• 12
• 24
• 48
• Not enough information given

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TEKS.MATH.8.5F

Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day. 

• Proportional
• Non-Proportional

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TEKS.MATH.8.5F

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

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TEKS.MATH.8.5F

Which graph represents a proportional relationship?

• F

• G

• H

• J

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TEKS.MATH.8.5F

Does the following table represent direct variation?

• Yes

• No

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TEKS.MATH.8.5F