Solve the quadratic equation by factoring. = 1x

A. x = 0, -2
B. x = 12, - 
C. x = 6, 2
D. x = 3, -2


Answer: D

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E.

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A. -8 B. 104 C. 8 D. -104

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ÚÄÄ ÚÄ û-9 ð û9 = a. 3 + j3 b. j6 c. 3 + j3 d. j9 e. -9

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Find the exact value of the expression. Do not use a calculator.tan  - cos 

A.
B. - 
C. - 
D.

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