Question:
What is the slope of the line that has equation 6x + 3y = −15?
A
−2
Explaination
To identify the slope, put the equation in y = mx + b form by solving for y.
6x + 3y = −15
6x + 3y − 6x = −15− 6x
3y = −6x −15
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y= −2x – 5
The slope is –2, the coefficient of x
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