Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2}
B. 0
C. {-2}
D. {2}
Answer: D
Mathematics
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Factor completely. If unfactorable, indicate that the polynomial is prime.ab4 - 81a3b2
A. a(b2 + 9ab)(b2 - 9ab) B. prime C. ab2(b - 9a)2 D. ab2(b + 9a)(b - 9a)
Mathematics
Solve.|x| = -8
A. {8} B. ? C. {-8} D. {8, -8}
Mathematics
Use the bar graph to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
Find the total number of students majoring in either History or English.
A. 700 students B. 600 students C. 500 students D. 450 students
Mathematics
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? -2 B. x ? 6, x ? 2 C. x ? -6, x ? -2 D. x ? 0
Mathematics