Provide an appropriate response.Solve the equation: 6x2 = -12x
A. x = 0, -2
B. x = 0, 12
C. x = 0, 6
D. x = 0, 2
Answer: A
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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.t-7y'(t) = 9
A. y = 72t8 + C
B. y = 
t-8 + C
C. y = 
t8 + C
D. y = 81t9 + C
Add the polynomials.(8x7 - 7x5 - 8) + (6x7 + 5x5 - 9)
A. -5x12 B. 14x7 - 2x5 - 17 C. -2x7 + 13x5 - 16 D. 14 - 2x7 - 17x5
For the pair of similar triangles, find the length of the indicated side.
In the outer triangle, the shortest side has length 9, and the middle side has length 12. In the inner triangle, the shortest side has length 3, the middle side has length 4, and the longest side has length 5. Find the length, x, of the longest side of the outer triangle.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
Use Cramer's rule to solve the linear system.7x - 2y + 4z = 214x + 9y - 6z = 242x - 3y - 4z = -4
A. (3, 2, 1) B. (3, -2, -1) C. (2, 1, 2) D. (4, 0, 1)