malinisahadeo malinisahadeo
  • 03-02-2020
  • Mathematics
contestada

What is y=-x-20 and y=x+17 point of intersection

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sam4040
sam4040 sam4040
  • 08-02-2020

Answer:

[tex]Point\ of\ intersection\ is\ (-\frac{37}{2},-\frac{3}{2}).[/tex]

Step-by-step explanation:

Point of intersection: The point which satisfies both the equations is the point of intersection

[tex]y=-x-20\\\\y=x+17\\\\add\ these\ two\ equations\\\\y+y=-x-20+x+17\\\\2y=-3\\\\y=-\frac{3}{2}\\\\y=x+17\\\\x=y-17\\\\x=-\frac{3}{2}-17\\\\x=-\frac{37}{2}\\\\Point\ of\ intersection\ is\ (-\frac{37}{2},-\frac{3}{2}).[/tex]

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