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