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

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

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

Solve the system of equations: 

• ( 5, 1, -4)
• (-5, 3, -1)
• None of these
• ( -1, 5, -4)

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

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0
• 1
• 2
• More than 2

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

Find the slope. 

• 3/2
• -3/2
• (-0,-3)
• y= -3

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

Solve for x
| x - 7 | > 3

• x>4 or x<10
• 4 < x < 10
• x>10 and x<4
• x>10 or x<4

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

Rafael drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.

h = -5t² + 45

When is the ball at ground level?

• only at t = 0 seconds

• only at t = 3 seconds

• only at t = 9 seconds

• at both t = 0 seconds and t = 3 seconds

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

A company's manager estimated that the cost C, in dollars of producing "n" items is C = 7n + 350. The company sells each item for $12. The company makes a profit when total income from selling a quantity of items is greater than the total cost of producing that quantity of items. Which of the following inequalities gives all possible values of "n" for which the manager estimates that the company will make a profit?

• n < 70

• n < 84

• n > 70

• n > 84

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

Translate the following phrase: Grace has $45 at most in her purse on a daily basis

• g < 45
• g > 45
• g ≤ 45
• g ≥ 45

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

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

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

solve using square roots

• ±72

• ±12

• 12

• No real solution

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