TEKS.MATH.9-12.II.A

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

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TEKS.MATH.9-12.II.A

Fill in the blank with the correct exponent to make the statement true.
3^{16 =} (3⁸)(3^_)

• 2
• 8
• 4
• 1

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TEKS.MATH.9-12.II.A

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

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TEKS.MATH.9-12.II.A

Find the product.
(2x + 3)(x + 5)

• 2x² + 13x + 5
• 3x² + x + 8
• 10x + 15
• 2x² + 3x

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TEKS.MATH.9-12.II.A

Write equation of the line containing (-1,-3) and (1,1)

• y = -2x + 1
• y = 2x -1
• y = 2x + 7
• y = -2x - 1

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TEKS.MATH.9-12.II.A

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

• 3x + 2y = 315
  2x + 4y = 450
• 3x + 2y = 450
  2x + 4y = 315
• 2x + 2y = 315
  3x + 4y = 450

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TEKS.MATH.9-12.II.A

Is (x-3) a factor of
(x³ - 3x² + 2x + 2)?

• Yes
• No

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TEKS.MATH.9-12.II.A

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

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TEKS.MATH.9-12.II.A

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

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TEKS.MATH.9-12.II.A

Write a linear function that has a slope of -2 and passes through the point (-3, 4).

• f(x) = -2x - 2

• f(x) = -2x + 4

• f(x) = =2x + 3

• f(x) = -2x + 2

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TEKS.MATH.9-12.II.A