Section: _ Date: _
1. Find the slope and y-intercept of the line: 3x + 3y = 63
slope= -1 b=21
Find the slope and y-intercept of the line: y = 34x 2
Slope=34 b= -2
Find the eq
Homework 1, Sept 16 1. Let l > 3 be a prime number, be a primitive lth root of unity, D = Z[ ] and k an integer 0 (mod l). Claim.
k 1 1
and k + 1 are units of D.
k 1 k1 + k2 + . . . + 1, so k 1 D . It remains 1 = 1 k is a primitive lt
CHAPTER 11COMPARISONS INVOLVING PROPORTIONS AND A TEST OF INDEPENDENCE
MULTIPLE CHOICE 1. When developing an interval estimate for the difference between two population proportions, with sample sizes of n1 and n2, a. n1 must be equal to n2 b. n1 must be s