Evaluate the algebraic expression.5x - 9y
when x = -3 and y = -1
A. 22
B. 12
C. 4
D. -6
Answer: D
Mathematics
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A. 17a8 + 3a6 B. 20a7 C. 20a14 D. 17a4 + 3a3
Mathematics
Find the root form of the polynomial function f whose real roots and y-intercept are given on the graph.
A. f(x) = -2(x - 2)(x + 1) B. f(x) = (x - 2)(x + 1) C. f(x) = (x + 2)(x + 1) D. f(x) = (x + 2)(x - 1)
Mathematics
Find the determinant of the given matrix.
A. 5 B. -12 C. 12 D. -14
Mathematics
Graph the particular solution and several other solutions.
2y" + 3y' + y = 2 + cos 2x
Mathematics