### Home > AC > Chapter 4 > Lesson 4.1.7 > Problem4-63

4-63.

Copy and complete each $x → y$ table below on your paper. Using what you know about $m$ and $b$, write an equation that represents the data in the table.

1.  $x$ $y$ $0$ $5$ $1$ $7$ $2$ $9$ $3$ $11$ $4$ $13$ $30$ $200$ $505$ $x$
1.  $x$ $y$ $0$ $4$ $1$ $2$ $2$ $0$ $3$ $−2$ $4$ $−4$ $30$ $150$ $300$ $x$
1.  $x$ $y$ $−2$ $7$ $−1$ $4$ $0$ $1$ $1$ $−2$ $2$ −5 $3$ $100$ $70$ $x$

Look for a connection between the input and the output. Use the equation $y = mx + b$ as a guideline.

What is the starting point? ( $y$-intercept )

What is the growth rate?

Follow the steps in part (a).

Use the eTool below to help write an equation for each table.
Click the link at right for the full version of the eTool: AC 4-63 HW eTool