# equation of the line graphed in the xy-plane

Anonymous
timer Asked: Feb 3rd, 2019
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### Question Description

If a > 0 and b > 0, which of the following could be an equation of the line graphed in the xy-plane above?

• A.

y = −ax − b

• B.

y = ax − b

• C.

y = ax + b

• D.

y = −ax + b

• E.

y = abx

Explain your answer.

## Tutor Answer

korpet
School: Purdue University

A. If the slope a is less than 0, then the graph is a line which 'goes down'.B. If the slope a is greater than 0, then the graph is a line which 'goes up', and if b is less than 0, then the value of the graph is less then 0 at x=0. Like...

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Anonymous
Good stuff. Would use again.

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