Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What is the discriminant of the following quadratic
equation: 
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2.
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The discriminant of a quadartic equation is 40. What
is the nature of the solutions?
a. | 2 Real Irrational Solutions | c. | 1 Real Rational
Solutions | b. | 2 Real Rational Solutions | d. | 2 Imaginary Solutions |
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3.
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Using the quadratic formula determine the solutions to the
following equation: 
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4.
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Using the quadratic formula determine the solutions to the
following equation: 
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5.
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Using the quadratic formula determine the solutions to the
following equation: 
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6.
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Using the quadratic formula determine the solutions to the
following equation: 
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7.
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| Use the Pythagorean Theorem to find
an approximate value of x that makes the diagram true. |  | | |
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8.
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A catapult launches a rock at a
castle. The height of the rock can be described by the model:
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‘ h’ describes the height of the
rock in feet and ‘ t’ the time in seconds after the rock was launched. At
what approximate times does the rock reach a height of 280 feet? (use the
quadratic formula)a. |  | c. |  | b. |  | d. | The rock never reaches that
height. |
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