TEKS.MATH.9-12.II.A

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

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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

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

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TEKS.MATH.9-12.II.A

Find the equation of the line that passes through the points:

(2, 2) and (3, 4)

• y = 2x + 2
• y = -2x - 2
• y = -2x + 2
• y = 2x - 2

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TEKS.MATH.9-12.II.A

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

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TEKS.MATH.9-12.II.A

The graph  shows a line of best fit for the data collected on the amount of cell phone bills in relation to the number of minutes used.  What is the equation of the line of best fit.

• y = (1/2) x + 3
• y = (1/2) x + 15
• y = (1/40) x 
• y = (1/40) x + 15

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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

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

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TEKS.MATH.9-12.II.A

Multiply  7x²y³ (2x⁴y⁵+6xy³)

• 14x⁸y¹⁵+42x²y⁹
• 9x⁶y⁸+13x³y⁶
• 14x⁶y⁸+42x³y⁶
• 14x⁶y⁸+42x²y⁶

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TEKS.MATH.9-12.II.A

Find the factors of

x² - 5x - 36

• (x + 4)(x - 9)

• (x - 4)(x + 9)

• (x - 9)(x + 6)

• (x + 4)(x + 9)

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TEKS.MATH.9-12.II.A