Chapter 1 Solutions
Section 1.2, Extension of Exploration 1 (page 86)
Answers
5. (a)
(b) The quotient
is the slope of the line Y.
Section 1.3, Extension of Exploration 1 (page 104)
Answers
1. 
2. Yes
3. 
4. Yes
Section 1.5, Extension of Exploration Exercise 57 (page 134)
Answers
(a) The numbers for steps 110 of Grade 5 will depend on the date that students go to the web site, so no answer can be given.
(b) Change the y-value according to the conversion rate from dollars to Lire. This results in a vertical stretch by a number that changes according to international market conditions.