nzerefa24 nzerefa24
  • 19-11-2019
  • Mathematics
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What is an equation of the line that passes through the point (-5,6) and is parallel to the line 3x+5y=45

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BrainySophiee
BrainySophiee BrainySophiee
  • 19-11-2019

Answer:

[tex]y = \frac{ - 3x}{5} + 3[/tex]

Step-by-step explanation:

Change 3x + 5y = 45 to slope intercept form.

[tex]5y = - 3x + 45 \\ \frac{5y}{5} = \frac{ - 3x}{5} + \frac{45}{5} \\ y = \frac{ - 3x}{5} + 9[/tex]

A parallel line has the same slope, therefore, the new equation's slope would be

[tex] \frac{ - 3}{5} [/tex]

Using point slope form

[tex]y - y1 = m(x - x1) \\ y - 6 = \frac{ - 3}{5} (x + 5) \\ y - 6 = \frac{ - 3x}{5} - 3 \\ y = \frac{ - 3x}{5} + 3[/tex]

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