  ### Home > CC3 > Chapter 3 > Lesson 3.1.1 > Problem3-4

3-4.

For each $x$$y$ table given, copy the table, find the pattern and fill in the missing entries. Then write the rule for the pattern in words.

1. IN $(x)$

OUT $(y)$

$23$

$2$

$8$

$–2$

$–4$

$8$

$26$

$0$

$302$

$1.5$

Rule:

1. IN $\left(x\right)$

OUT $\left(y\right)$

$2$

$5$

$9$

$–2$

$–5$

$–7.5$

$0$

$27.5$

$–4$

$–10$

Rule:

1. IN $\left(x\right)$

OUT $\left(y\right)$

$1$

$4$

$4$

$3$

$–20$

$–9$

$–10$

$0$

$1$

$–2.5$

Rule:

Refer to problem 3-3 that you completed in class.

Here are some answers to get you started.

1. IN $\left(x\right)$

OUT $\left(y\right)$

$\color{orange}7$

$23$

$2$

$8$

$-2$

$-4$

$8$

$26$

$0$

$\color{orange}2$

$302$

$1.5$

1. IN $\left(x\right)$

OUT $\left(y\right)$

$2$

$5$

$9$

$\color{orange}{22.5}$

$-2$

$-5$

$-7.5$

$0$

$\color{orange}{11}$

$27.5$

$-4$

$-10$

1. IN $\left(x\right)$

OUT $\left(y\right)$

$1$

$4$

$4$

$3$

$-20$

$-9$

$-10$

$\color{orange}{-4}$

$0$

$1$

$-2.5$

Rule: Triple $x$ and add $2$.