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olga nikolaevna [1]
3 years ago
7

PLEASE HELP, I’m confused. I don’t know how to do this stuff... explain your answer. Thank you!!!!

Mathematics
1 answer:
Maurinko [17]3 years ago
4 0

Answer:

C) y = 2x + 3

Step-by-step explanation: You have to substitute 1 for x & 5 for y & 2 for m, but 1st do the point slope form ---> slope intercept form.

y -Y1 = m(x - X1)

y - 5 = 2(x - 1)

y - 5 = 2x - 2

  +5          + 5

y = 2x + 3 --- IN SLOPE INTERCEPT FORM

Hope this helps you!!! :)



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Please check the explanation.

Step-by-step explanation:

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We also know that the slope-intercept form of the line equation is

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Given the lines

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Comparing with y=mx+b, the slope of y = 6х - 3:

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2)

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simplifying to write in slope-intercept form

y=3x-3

Comparing with y=mx+b, the slope of y=3x-3:

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simplifying to write in slope-intercept form

y=-1/4x-1/4

Comparing with y=mx+b, the slope of y=-1/4x-1/4:

m₂=-1/4

As

m₁ × m₂ = -1

4 ×  - 1/4 = -1

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Thus, the lines 8x - 2y = 3 and x + 4y = - 1 are perpendicular.

4)

  • 3x+2y = 5

simplifying to write in slope-intercept form

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Comparing with y=mx+b, the slope of y = -3/2x + 5/2:

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simplifying to write in slope-intercept form

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As m₁ and m₂ are neither equal nor their product is -1, hence the lines neither perpendicular nor parallel.

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Comparing with y=mx+b, the slope of y=6x+5:

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As m₁ and m₂ are neither equal nor their product is -1, hence the lines neither perpendicular nor parallel.

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