On which of the following lines does point (-8,31) lie? A. y=-4x-1 B. y=-3x-9 C. y=x+4 D. y=-2x-1

asked Mar 9, 2017 63.0k views

2 votes

On which of the following lines does point (-8,31) lie?

A. y=-4x-1
B. y=-3x-9
C. y=x+4
D. y=-2x-1

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4 votes

the answer is A.
..............

Manish Gupta answered Mar 10, 2017

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4 votes

A. y = - 4x - 1

because

subtitute x = - 8 to the equation:

-4· (-8) - 1 = 32 - 1 =31 ⇒ (-8; 31)

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