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15 % of the test will deal with Quadratic Equations ECA Review #22 Quadratic Equations: Graphing

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Find the solutions to the quadratic equation whose corresponding graph is below. Enter your answer: FIRST SOLUTION,SECOND SOLUTION 2,3

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Identify the zeros of the function graphed below: A. -2 and 8 B. 8, 2, and -2 C. 2 and -2 D. 2 and 8

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How many solutions are there to the quadratic equation graphed below? A. none B. 1 C. 2 D. 4

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If the graph of a given quadratic function has only 1 x-intercept, how many zeros (solutions) will it have? 1010

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What are the solutions of the equation shown below? A. x = -2 and x = -6 B. x = 2 and x = 6 C. x = -1.3 and x = 9.3 D. x = -9.3 and x = 1.3

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The equation below models the height (h) of a basketball after (t) seconds in the air. Find the time that it will take for the ball to land back on the ground. A. 2 seconds B seconds C. 1 second D seconds

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Find the approximate zeros of the quadratic equation shown below: A and 17.1 B and 15.4 C and D and 17.72

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One of the zeros for the following quadratic equation graphed below is 1. What is the other zero? -4 0

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Use the quadratic formula to determine the x-intercepts of the function: A. B. C. D.

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The population of an ant colony can be modeled by the function below. The graph of this function does not have any x-intercepts. What does this mean? ANY ANSWER

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The population of an ant colony can be modeled by the function below. The graph of this function does not have any x- intercepts. What does this mean? A. There is no value for x which would cause the ant colony to have zero ants B. The ant colony cannot survive if the temperature reaches zero degrees Celsius C. If the population is less than 2000 ants, the colony will start to die. [Default] [MC Any] [MC All]

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