Linear Functions and Applications

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Describe a linear function

Find out what is the slope and intercepts of the function. See the graph of the function.
y = x +
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Find a linear function that...

Find a linear function that...
... has a slope of and goes through the point (, ) ?
Find a linear function that goes through two points
(, ) and (, )

Plot a Function

Use this form to create graphs of linear (and other) functions.

Examples: y=3x-2, y=x+8, y=6-3x

Plot  from :

x =  to x =  
and
y =  to y =

Evaluate a function

Use this form to evaluate expressions, multiply and divide numbers.

Examples: 5-7+(-11)*10, 2x-5yz, (x-1)^2/xy+7xy, etc etc
Note that if your expression contains variables x, y, or whatever, we'll ask you for their values.

lesson on Evaluation and Expressions

Enter Expression:
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