sanjinaru122
Answered

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I don't have many points but I will give all my points can someone tell me the answer for both pls​

I Dont Have Many Points But I Will Give All My Points Can Someone Tell Me The Answer For Both Pls class=

Sagot :

mhanifa

Answer:

  • 50. B
  • 51. -3x + y = 11

Step-by-step explanation:

50......................................................................

Parallel lines have equal slopes.

Converting the given into slope-intercept form:

  • 2x + 3y = 15
  • 3y = -2x + 15
  • y = -2/3x + 5

Option B is the parallel line with different y-intercept

51.......................................................................

Perpendicular lines have negative reciprocal slopes.

Converting the given into slope-intercept form:

  • x + 3y = 15
  • 3y = -x + 15
  • y = -1/3x + 5

Perpendicular line will have a slope of

  • m*(-1/3) = - 1
  • m = 3

The equation will be:

  • y = 3x + b

to find b using the given point (-2. 5)

  • 5 = 3*(-2) + b
  • 5 = -6 + b
  • 5 + 6 = b
  • b = 11

So the line is:

  • y = 3x + 11

or

  • -3x + y = 11 in standard form
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