Identify the figure and name it using the labels shown.

A. ray z, or 
B. ?z
C. point z
D. line z, or 


Answer: B

Mathematics

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Solve the problem.A baseball manager has 11 players of the same ability. How many 9 player starting lineups can he create?

A. 55 B. 99 C. 362,880 D. 19,958,400

Mathematics

Find . Express the answer in standard form.z1 = 20(cos 240° + i sin 240°)z2 = 4(cos 30° + i sin 30°)

A. -  + - i
B. -  - i
C. -  - i
D. -  - i

Mathematics

Provide an appropriate response.To complete the square of 2x2 + 4x = 8, is it ever a good idea to divide by the coefficient of x2?

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

Mathematics

Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x3 + 8x2 - 5x + 6

A. -3, , 1; f(x) = (3x - 2)(x - 1)(x + 3)
B. 1, , -3; f(x) = (3x - 2)(x - 1)(x + 3)
C. -1, , -3; f(x) = (3x - 2)(x - 3)(x + 1)
D. -1, , 3; f(x) = (3x - 2)(x - 3)(x + 1)

Mathematics