### Home > CCA > Chapter 4 > Lesson 4.3.1 > Problem4-110

4-110.

Multiple Choice: Which equation below could represent a tile pattern that grows by $3$ and has $9$ tiles in Figure 2?

1. $3x+y=3$

1. $−3x+y=9$

1. $−3x+y=3$

1. $2x+3y=9$

• Work backwards from Figure 2 to find the starting value of tiles at Figure 0, then write the rule
Rewrite the given equations in $y=mx+b$ form.
(c) $−3x+y=3$