TEKS.MATH.9-12.II.C

What is the slope of 
6x-y=9?

• 9/6
• -9
• 6
• -6

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TEKS.MATH.9-12.II.C

Approximately what interest rate would be needed in order to grow an investment of $1,400 to $2,500 in 10 years if the interest was compound monthly?

• 5.96%
• 5.84%
• 5.81%
• 5.88%

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TEKS.MATH.9-12.II.C

The polynomial
f(x) = 5x⁴ + 2x³ + 2x − 7 can have, at most, how many solutions?

• 5
• 4
• 3
• 2

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TEKS.MATH.9-12.II.C

Factor:
 f(x) = x³-12x²+47x-60=0 when 5 is a zero. (so f(5) = 0)

• (x-3)(x-4)(x-5)=0
• (x+1)(x-4)(x-5)=0
• (x-3)(x-4)(2x-5)=0
• (x-5)(x-4)(x-5)=0

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TEKS.MATH.9-12.II.C

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

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TEKS.MATH.9-12.II.C

What is the range of this relation?

• {x| -3 ≤ x ≤ 3}
• {-3, 2, 0, 3}
• {y| -4 ≤ y ≤ 4}
• {-4, 0, 2, 4}

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TEKS.MATH.9-12.II.C

Solve:

3x + 5y = 4

4x - 5y = -18

• x = -2

  y = 2

• x = -2

  y = -2

• x = 2

  y = -2

• x = 2

  y = 2

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TEKS.MATH.9-12.II.C

What is the x-intercept of the equation?
y = 3x - 12

• x = 3 or (3, 0)
• x = 4 or (4, 0)
• x = 1 or (1, 0)
• x = -12 or (-12, 0)

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TEKS.MATH.9-12.II.C

Solve by factoring:

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

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TEKS.MATH.9-12.II.C

How many possible negatives solutions does the following polynomial have?

f(x) = x⁴ - 3x³ - 17x² + 39x -20

• 3 or 1

• 3

• 1

• 2 or 0

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TEKS.MATH.9-12.II.C