Solve the equation.x(x - 20) = -100

A. {10, -10}
B. {10}
C. {20}
D. {-10}


Answer: B

Mathematics

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Solve the inequality. Give the solution set in both interval and graph forms.5x - 3 ? 4x - 5

A. (-?5)

B. (5?)

C. [-2?)

D. (-?-2]

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A. 3(x2 + y2 + z2) B. 18(x2 + y2 + z2) C. 18x2 D. 3x2

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Solve the problem.The image of point P under the reflection shown below is

A. A B. B C. C D. D E. none of these

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Find an equation for the ellipse described.Center at (6, 4); focus at (9, 4); vertex at (11, 4)

A.  -  = 1
B.  +  = 1
C.  +  = 2
D.  +  = 1

Mathematics