saukai0720 saukai0720

20-06-2021
Mathematics

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Instructions: Find the equation of the line through point (3, 4) and perpendicular to y = –2x – 4

Respuesta :

vannhv02425 vannhv02425

20-06-2021

Answer:

y=1/2x+5/2

Step-by-step explanation:

y=ax+b

vuông góc với y = –2x - 4 ⇒a.(-2) =-1⇒a=1/2

phương trình của đường thẳng đi qua điểm (3, 4) ⇒4=3.1/2+b⇒b=5/2

⇒y=1/2x+5/2

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