TEKS.MATH.9-12.VII.C.2

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

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TEKS.MATH.9-12.VII.C.2

 Y varies inversely with x, and y is 0.5 when x is 4. Which equation represents this situation?

• y=2x
• y=2/x
• y=4x
• y=x/2

Tags

TEKS.MATH.9-12.VII.C.2

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

Tags

TEKS.MATH.9-12.VII.C.2

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

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TEKS.MATH.9-12.VII.C.2

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

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TEKS.MATH.9-12.VII.C.2

The equation for this table is

• y = 3x + 50
• y = 50^x
• y = 3^x
• y = 50(3^x)

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TEKS.MATH.9-12.VII.C.2

Write a polynomial function with the given zeros.

• A

• B

• C

• D

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TEKS.MATH.9-12.VII.C.2

Look at the data in this table.
Which equation most closely represents the line of best fit for this data?

• y = 1.77x + 0.13
• y = 0.56x - 0.05
• y = 0.5x
• y = 2x

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TEKS.MATH.9-12.VII.C.2

Look at the data in this table.
Which equation most closely represents the line of best fit for this data?

• y = 1.77x + 0.13
• y = 0.56x - 0.05
• y = 0.5x
• y = 2x

Tags

TEKS.MATH.9-12.VII.C.2

Alec consumes beverages at a rate of r(x)=10+.2x² beverages per hour, how many beverages does Alec drink in the first 16 hours?

• 25.068

• 433.067

• 5463.759

• Too many, Alec should seek medical attention

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TEKS.MATH.9-12.VII.C.2