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

Solve for x.  Round to the nearest hundredth if necessary.
3x² = 16x + 12

• x = -.67, 6
• x = -6, .67
• x = 3.33, 18
• x = -3.33, 18

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

If x and y vary directly, what is the missing value in the points (x, 4) and (-14, -8)?

• x = -7
• x = -2.3
• x = 2.3
• x = 7

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

What is the solution to this system of equations?
y = 2x - 10
y = 10 - 2x

• (5, 0)
• (1, -8)
• (0, 0)
• (2, 6)

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

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

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

Solve:
|x + 4| - 8 > 2

• x > 6 and x < 10
• x > 6 or x < -14
• all real numbers
• no solution

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

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13. 

• 7x + 13y < 81
• 7x + 13y ≥ 81
• 7x + 13y ≤ 81
• 7x + 13y > 81

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

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

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

The 30 members of a choir are trying to raise at least $1,500 to cover travel costs to a singing camp. They have already raised $600. Which inequality could you solve to find the average amounts each member can raise that will at least meet the goal?

• 30x + 600 > 1,500
• 30x + 600 ≥ 1,500
• 30x + 600 < 1,500
• 30x + 600 < 1,500

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

Solve.
e^4x=12

• 2.48
• 9.94
• 0.62
• 3

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

f(x) = x³ - 3x² - 4x

Find the zeros of f(x).

• {-4, 0, 1}

• {-1, 4}

• {-1, 0, 4}

• {-4, 1}

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