TEKS.MATH.9-12.II.A

Multiply:
2x(3xy² + 4x³y)= 

• 6xy² + 8x⁴y
• 6x²y + 8x³y
• 6x²y² + 4x⁴y
• 6x²y² + 8x⁴y

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TEKS.MATH.9-12.II.A

The total amount Thad paid for water bottles and cookies was $45.  If the combined cost of one water bottle and one cookie is $2, what is the cost of one cookie?

• $0.75
• $0.91
• $1.09
• $1.25

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TEKS.MATH.9-12.II.A

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

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TEKS.MATH.9-12.II.A

p(x) = 3x + 4
q(x) = 2x²
Find q(p(x))

• 6x² + 4
• 18x² + 48x + 32
• 18x² + 32
• None of these.

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TEKS.MATH.9-12.II.A

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

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TEKS.MATH.9-12.II.A

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

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TEKS.MATH.9-12.II.A

What is the y-intercept of the equation:
 y = 2x - 3 

• -2
• 2
• 3
• -3

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TEKS.MATH.9-12.II.A

f(n)=x²+1
g(n)=2x-5
Find (f-g)(n)

• x²-2x+6
• -x²+2x+4
• -x²-2x-6
• x²-2x-4

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TEKS.MATH.9-12.II.A

Identify the y-intercept for the function:
y=-3x

• -3
• 0
• 1
• -1

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TEKS.MATH.9-12.II.A

(a + b)² = a² + 2ab + b²

• True

• False; a² + b2

• False; a² - 2ab + b²

• False; a² - b²

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TEKS.MATH.9-12.II.A