Which among the following options contains a point lying on the line: $y = 3 x + 8$ ?

(1, 5)

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(- 1, 5)

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(1, - 5)

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(- 1, - 5)

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Solution

The correct option is B $(- 1, 5)$
Given equation of line: $y = 3 x + 8$

$(1, 5)$
Putting the value of x = 1, y = 3(1) +8=11.
This point does not lie on the line.

$(- 1, 5)$
Putting the value of x = 1, y = 3(-1) +8=5.
This point lies on the line as the value of y is matching.

$(1, - 5)$
Putting the value of x = 1, y = 3(1) +8=11.
This point does not lie on the line.

$(- 1, - 5)$
Putting the value of x = 1, y = 3(-1) +8=5.
This point does not lie on the line.

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Which among the following options contains a point lying on the line: y=3x+8?

Which among the following options contains a point lying on the line: $y = 3 x + 8$ ?