The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.x2 + 3x - 18 = 0

A. {-6, 3}
B. {-3, 18}
C. {-3, 6}
D. {0}

Answer: A

Mathematics

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A. y = 
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C. y = -1 + 
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Graph the function. Determine the symmetry, if any, of the function.y = -x2/5

A. Symmetric about the y-axis

B. No symmetry

C. Symmetric about the y-axis

D. No symmetry

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Simplify.3(x + 2y - z) - 3(2x - y + 3z)

A. -3x + 3y - 12z B. 9x + 9y - 12z C. -3x + 9y + 12z D. -3x + 9y - 12z

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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.( - y)( + y)

A. a - y
B. a - y2
C. a - 2y - y2
D. a + 2y - y2

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