TEKS.MATH.9-12.VII.C.1

Evaluate the function for the given value:

• 24
• 30
• 9
• 6

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TEKS.MATH.9-12.VII.C.1

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

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TEKS.MATH.9-12.VII.C.1

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?

• y = (5/3) x + 375
• y = (1/3) x + 475
• y = (5/3) x + 475
• y = (1/3) x + 375

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TEKS.MATH.9-12.VII.C.1

What is the following called? b²- 4ac

• Axis of symmetry
• Quadratic Formula
• Vertex
• Discriminant

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TEKS.MATH.9-12.VII.C.1

Town Bank offers a 2.25% interest rate, while Charter One offers 2.8%. Both banks compound interest annually. If Rob wants to set up a new account with $5,000,how much more money will he earn at Charter One over Town Bank after 25 years?

• $1,183.41                fairy wings
• $1,209.79             space suits
• $1,251.63          bubble wrap
• $1,324.10               hula skirts

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TEKS.MATH.9-12.VII.C.1

What is the Domain?

• x > 0
• All Real Numbers
• x > 1
• x < 1

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TEKS.MATH.9-12.VII.C.1

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

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TEKS.MATH.9-12.VII.C.1

What is the common ratio of this geometric sequence?

500, 200, 80, 32, ...

• -5/2

• -2/5

• 2/5

• 5/2

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TEKS.MATH.9-12.VII.C.1

In slope-intercept form, write the equation of the line passing through the points (-4,1) and (-3,2).

• y = -x + 5

• y = x + 5

• y = x - 5

• y = -x + 5

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TEKS.MATH.9-12.VII.C.1

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t² + 8t + 24

When would you reach 16 feet above the water?

• 8 seconds

• 1 second

• 1/2 second

• 1/4 second

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TEKS.MATH.9-12.VII.C.1