Factor completely.49y4 - 16
A. (7y2 - 4)2
B. (7y2 + 4)2
C. Prime
D. (7y2 + 4)(7y2 - 4)
Answer: D
Mathematics
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Multiply the polynomials.(x + y)(x2 - 6xy - y2)
A. x3 - 5x2y - 7xy2 - y3 B. x3y - 6x2y - xy3 C. x3 - 6x2y - xy2 D. x3 - 6x2y - 6xy2 - y3
Mathematics
Find the missing length, x, for the similar triangles.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
Mathematics
Find the expression.v = -4i + 8j; Find 
.
A. 32
B. 32i
C. -32
D. 32
Mathematics
Solve the problem.Let f(x) be the function represented by the dashed line and g(x) be the function represented by the solid line. Solve the equation f(x) = g(x).
A. x = 3 B. x = -3 C. x = 1 D. x = -1
Mathematics