Posted by **Lisa** on Sunday, May 23, 2010 at 8:38pm.

Determine if the relationship represented in the table is linear. If it is linear, write an equation.

how do you determine if a table is linear here is the table I am looking at....

x 2 5 7 10 12 20

y -3 0 2 5 7 15

please guide me in the right direction...

- Algebra -
**bobpursley**, Sunday, May 23, 2010 at 8:42pm
pick a delta x. Say from 2to 5,or a deltax of 3

Notice the corresponding delta y is -3 to 0, a deltay of 3

slope= deltaty/deltax= 3/3=1

Now try it for other pairs.

- Algebra -
**Lisa**, Sunday, May 23, 2010 at 8:46pm
7 to 10 would then be 3 and 2 to 5 is also 3 and then the last would be 12 to 20 would be 8 and 7 to 15 would be 8 so this would be a linear but then how do you write an equation?

- Algebra -
**bobpursley**, Sunday, May 23, 2010 at 8:59pm
y= mx+b

you know m as 1.

y= x+b

now put in any x,y pair, and solve for b.

- Algebra -
**Lisa**, Sunday, May 23, 2010 at 9:02pm
y=1(3/8)+3?? is that right?

- Algebra -
**Tammy **, Sunday, March 13, 2011 at 12:53am
No. y=x+b

2=7+b

7-2=b I think you can get it from here :)

## Answer this Question

## Related Questions

- Algebra - Determine if the relationship represented in the table is linear. If ...
- Math - Determine if the relationship represented in the table is linear. If it ...
- Math - For which table(s) of values in Exercises 39–42 is the relationship ...
- Algebra - For which table(s) of values in Exercises 39–42 is the relationship ...
- math - For which table(s) of values in Exercises 39–42 is the relationship ...
- Math - For which table(s) of values in Exercises 39–42 is the relationship ...
- math/linear equation - Good morning. I have a question that I'm stuck on. I need...
- math - Determine if the relationship represented is linear. x=5,10,15,20,25,30 ...
- Math - For which values is the relationship linear? Tell how you decided. Write ...
- Algebra II - Determine if the following equation is linear. -7^2+y^2-y^2=3x+7 ...

More Related Questions