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Neporo4naja [7]
3 years ago
6

Is the line y=3x-7 parallel or perpendicular to 3x+9y= 9?Explain your answer

Mathematics
1 answer:
g100num [7]3 years ago
4 0

Answer:

yes, perpendicular

Step-by-step explanation:

perpendicular lines on a graph has opposite reciprocal slope

<h2>y=3x-7    </h2>

3x+9y=9 ( put the equation in the  slope intercept form y=mx+b

9y=-3x+9

y=-3x/9+9

<h2>y=-1/3 x +9</h2>

the slope of the first question is 3

the slope of the second equation is -1/3 x

yes the two lines are perpendicular

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