Factor completely.2x4 + 12x3
A. 2x3(x + 6)
B. 2x4(1 + 6)
C. x4(2 + 12)
D. x3(2x + 12)
Answer: A
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An experiment consists of selecting a card from a standard deck of playing cards and noting whether the card is black (B) or red (R). What are the events of this experiment? ?
A. {B, R}, {R, B} B. {Ø}, {B}, {R} C. {B}, {R}, {B, B}, {R, R} D. {Ø}, {B}, {R}, {B, R} E. {Ø}, {B, R}, {R, B}, {R, R}, {B, B}
Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.
A. y ? -x + 4 B. y ? -x + 4 C. y ? x + 4 D. y ? x + 4
Rewrite the expression with a rational exponent.
A. x1/8y2
B. (xy2)8
C. (xy2)1/8
D. 
Solve the logarithmic equation. Give an exact answer.log9(7x - 5) = log9(5x + 2)
A. ?
B. 
C. 
D. {-3]