Simplify by rationalizing the denominator. Write your answer in a + bi form.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Answer: B
Mathematics
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Which of the following is not equivalent to: ?
?
?
A. 1.5× 10?12 B. ?1,500,000,000 C. ?1.5?× 109 D. 15 ?× 108 E. ?1.5 × 106 × 103
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Solve the absolute value inequality. Write your answer in interval notation.|8k + 3| ? 6
A. 
B. 
C. 
? 
D. 
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Evaluate the expression for the given values of the variables.
for x = 
, y = - 
A. - 
B. - 
C. - 
D. - 
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Factor the trinomial, or state that the trinomial is prime.x2 + 11x + 18
A. (x - 9)(x + 2) B. prime C. (x + 9)(x + 2) D. (x - 9)(x + 1)
Mathematics