TEKS.MATH.9-12.II.A

What is an expression for the sale price of a bracelet that has been discounted 60% from its sticker price?  Evaluate the expression for a sticker price of $90.
Use the variable s for the sale price and p for the sticker price.

• s = p - 0.6p; $36
• s = p - 0.4p; $54
• s = p + 60p; $5490
• s = p + 0.6p; $90

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TEKS.MATH.9-12.II.A

What is the correct name of the following:
3x + 5y² - 3

• monomial
• binomial
• trinomial
• polynomial

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TEKS.MATH.9-12.II.A

Factor Completely: x⁴-9x²

• x²(x+3)(x-3)
• (x²+3x)(x²-3x)
• (x²+9)(x-3)(x+3)
• x²(x²-9)

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TEKS.MATH.9-12.II.A

Factor Completely: x²-17x+72

• (x-9)(x+8)
• (x-9)(x-8)
• x(x-3)
• (x+9)(x+8)

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TEKS.MATH.9-12.II.A

If a lawyer charges $120 an hour (or any fraction of an hour), how much is a bill for 3 hours and 20 minutes? What is the equation for this problem?

• l(x) = 120x
• l(x) = 120[x-1]
• l(x) = 120[x]
• l(x) = 120[x+1]

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TEKS.MATH.9-12.II.A

(3x − 6)(7x + 7)

• 21x² − 63x + 42
• 21x² − 21x − 42
• 21x² − 42
• 21x² + 63x + 42

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TEKS.MATH.9-12.II.A

Write in exponential form:
log ₃₆ 1 = 0

• 36⁰ = 1
• 36¹ = 0
• 1³⁶ = 0
• 1⁰ = 36

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TEKS.MATH.9-12.II.A

Write in exponential form.
log₂32 = 5

• 2^-5 = 32
• 2³² = 5
• 2⁵ = 32
• 32⁵ = 2

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TEKS.MATH.9-12.II.A

What is the algebraic expression for "Twice x, decreased by 9?"

• 9 - 2x
• 2 + x - 9
• 2x - 9
• 2x / 9

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TEKS.MATH.9-12.II.A

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

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TEKS.MATH.9-12.II.A