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 + 4x + 5 = 0

A. {-1, 5}
B. {-5, 1}
C. {4, 5}
D. {-5, -1}


Answer: A

Mathematics

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Divide using synthetic division.

A. 49x2 + 14x + 1 - 
B. 49x2 + 14x + 1 + 
C. 49x2 + 14x + 1 - 
D. 49x2 + 14x + 1 + 

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Graph.f(x) = -3x2 - 2x - 2

A.

B.

C.

D.

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Simplify. Assume that all variables represent non-negative real numbers.

A. 20
B. 5
C. 5
D. 5

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Solve the problem.A 6-ft. board is cut into 2 pieces so that one piece is 2 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.

A. shorter piece: 6 ft; longer piece: 20 ft B. shorter piece: 1 ft; longer piece: 5 ft C. shorter piece: 3 ft; longer piece: 18 ft D. shorter piece: 16 ft; longer piece: 18 ft

Mathematics