Solve the equation using the zero-product property.2x2 = -15x - 25

A. {-5, -10}
B.
C.
D.


Answer: B

Mathematics

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Find the focus and the directrix of the parabola.y = - x2 + x - 

A. (2, -3); y = 1
B. (2-9); y = -7
C. ; y = 
D. (2, 1); y = -3

Mathematics

Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. x + y + z = 7 x - y + 2z = 7

A. (8, -3, 2)
B.
C. (-3z + 14, 2z - 7, z)
D. (4, 1, 2)

Mathematics

Solve the system of equations.

A. (0, -3, 3) B. (0, 0, -3) C. (0, -3, 0) D. No solution

Mathematics

Find all solutions to the following equation.   ?

A.

B.
C.
D.
E.

Mathematics