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Roots, Zeroes, and Solutions For Quadratics Day 2

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Find roots from the given equation: 1.

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What is the solution set for the equation 2x 2 − 16x − 96 = 0? A {4, 12} B {−4, 12} C {−4, −12} D {4, −12} 2.

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What are the roots of the quadratic equation x 2 − 3x + 2 = 0? A −2 and −1 C 2 and −1 B −2 and 1 D 2 and 1 3.

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What are the roots of the function graphed below? F (−1, −9) and (0, −8) G (0, −4) and (2, 0) H(−4, 0) and (2, 0) J (0, 2) and (0, −4) 4.

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The graph of f (x) = x 2 + x − 6 is shown below. Which of the following is a zero of this function? F −6 G 3 H −2 J 2 5.

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What are the x-intercepts of the graph of the equation y = x 2 + x − 12? A x = 4, x = 3 C x = −4, x = −3 B x = −4, x = 3 D x = 4, x = −3 6.

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Find roots from the given equation: 7.

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What are the zeros of the function f (x) = −4(x − 3)(x + 5)? A −12 and 20 C −4 and −5 B −5 and 3 D −3 and 5 9.

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The graph of y = x 2 + 2x − 8 is shown below. Which coordinate pair best represents the vertex of this graph? F (−4, 0) G (2, 0) H (0, −8) J (−1, −9) 10.

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Find zeros from the given equation: 12.

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What are the different words that mean x intercepts for quadratics? 13.

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