Solve the equation by the zero-factor property.x2 = 9
A. {-4.5, 4.5}
B. {4}
C. {3}
D. {-3, 3}
Answer: D
You might also like to view...
Find the domain of the logarithmic function. Write your answer in interval notation.f(x) = log3(x + 6)
A. (6, ?) B. (-?, 0) ? (0, ?) C. (3, ?) D. (-6, ?)
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(144x4y8)1/2
A. 12x9/2y9/2 B. 12x2y4 C. 12x7/2y7/2 D. 72x2y4
Solve the combined inequality. Write the solution in interval notation.2 < 1 - 4x ? 12
A. 
, 
B. 
, 
C. 
, 
D. 
, 