Unformatted text preview: the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. 12) v 2 2v 6 = Answer: Two different irrational solutions Write a quadratic equation having the given numbers as solutions. 13) 5 3 , 6 5 Answer: 15x 2 7x 30 = 14) 9 5 , 9 + 5 Answer: x 2 18x + 76 = Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers. 15) A = 1 3 π r 2 for r Answer: r = 3A π 16) rm = t 2 mt, for t Answer: t = m ± m 2 + 4rm 2 Solve. 17) (k + 4) 2/3 + 6(k + 4) 1/3 + 8 = Answer:12,68 18) x 4 12x 2 + 27 = Answer: ± 3, ± 3...
View
Full
Document
This note was uploaded on 12/12/2011 for the course MATH 96 taught by Professor Lapuma during the Fall '11 term at UCSD.
 Fall '11
 lapuma
 Math, Completing The Square

Click to edit the document details