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Consider the these two linear equations:
10x + 5y = 90
y = ax + 18
What value of a will make the two lines parallel?

Respuesta :

sqdancefan

Answer:

  a = -2

Step-by-step explanation:

The first equation can be rewritten in slope-intercept form:

  5y = -10x +90

  y = -2x +18

The value a=-2 will make the second line identical to the first.

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