TEKS.MATH.9-12.IX.A

Who adopted π as the symbol for pi?

• Euler
• Einstein
• Descartes
• Fibonacci

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TEKS.MATH.9-12.IX.A

Which axis runs vertically?

• x
• Y

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TEKS.MATH.9-12.IX.A

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

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TEKS.MATH.9-12.IX.A

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

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TEKS.MATH.9-12.IX.A

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

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TEKS.MATH.9-12.IX.A

What do you call the number that you divide by?

• Quotient
• Divisor
• Remainder
• Factor

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TEKS.MATH.9-12.IX.A

What does the "I" in the interest formula stand for?

• Principal
• Interest
• Rate
• Time

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TEKS.MATH.9-12.IX.A

Write in logarithmic form:
9² = 81

• log ₉ 81 = 2
• log ₂ 81 = 9
• log ₉ 2 = 81
• log ₂ 9 = 81

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TEKS.MATH.9-12.IX.A

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

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TEKS.MATH.9-12.IX.A

Evaluate the following logarithm:

log₃27

• 3

• 2

• -3

• ¹/₃

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TEKS.MATH.9-12.IX.A