Multiply the conjugates.(-14 + 3i)(-14 - 3i)

A. -17
B. 205
C. 187
D. -11


Answer: B

Mathematics

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Simplify completely.

A. - 
B.
C. - 
D.

Mathematics

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log(2/3)19

Fill in the blank(s) with the appropriate word(s).

Mathematics

The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.

A. a. -6 b. x = -6 B. a. -5 b. x = 0 C. a. -5 b. x = -5 D. a. 0 b. x = -5

Mathematics

Solve the problem.Determine whether the ordered triple (-2, -1, 5) is a solution of the system of equations. x - y + z = 42x - 8y - 3z = 243x + 4y + 2z = 7

A. Yes B. No

Mathematics