TEKS.MATH.9-12.II.B.1

log(A+B) = logA + logB

• True
• False

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TEKS.MATH.9-12.II.B.1

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n)
• 2n³(10-8n²)
• 3n(1-4n)

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TEKS.MATH.9-12.II.B.1

(2x−9)(2x+9)

• 4x²−36x−81
• 4x²+36x−81
• 4x²+81
• 4x²−81

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TEKS.MATH.9-12.II.B.1

What are like terms?
Terms that have....

• the same variables
• the same exponents
• the same coefficients
• the same variables and exponents

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TEKS.MATH.9-12.II.B.1

What expression is equivalent to x² - 81?

• (x + 81)(x -1)
• (x + 9)(x + 3)(x - 3)
• (x - 9)(x - 9)
• (x - 9)(x + 9)

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TEKS.MATH.9-12.II.B.1

Perform the indicated operation:
(2x²)( 3x)

• 5x²
• 5x³
• 6x³
• 6x²

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TEKS.MATH.9-12.II.B.1

The GCF is 13xy²z³. What is one possible option for polynomials with this GCF?

• 65x³y⁴z³ and 26xy²z¹⁸
• 13x²y²z² and 13x²y²z³
• 13xyz and 26x¹²y³z⁶
• 65x⁴y⁵z⁶ and 130xy²z³

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TEKS.MATH.9-12.II.B.1

Factor and cancel out in order to simplify.

Label it a/b - c/d

multiply a with d and b with c and all over b times d

(in your notes)

• A

• B

• C

• D

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TEKS.MATH.9-12.II.B.1

What is the average value of f(x)= 6x²+62x-9 over (0,10)

• 5011

• 501.1

• 501

• 5010

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TEKS.MATH.9-12.II.B.1

 $\frac{\frac{20}{x}-\frac{25}{2x}}{\frac{5}{x^2}+\frac{1}{8}}$  

•  $\frac{16x-100}{25x}$  

•  $\frac{5x^2-1250}{2x^2+25x}$  

•  $\frac{60x}{40+x^2}$  

•  $-\frac{93x}{125x-800}$  

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TEKS.MATH.9-12.II.B.1