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3 years ago

Find the equation of the straight line passing through the point (0,2) which is perpendicular to the line y=1/4x+5

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

3 0

First find the negative reciprocal of the gradient since its perpendicular, -4
Then you substitute the new gradient and the coordinates of the point into the eq’n of a line
2=-4(0)+c
2=c
Then the substitute the new gradient and the y intercept into the line eq’n
Answer
Y=-4x+2

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Now we need to know the uncertainty, the uncertainty of a multiplication is:

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$δ_L$ : Length uncertainty

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L: Length

W: Width

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$δ_A=(\frac{0.005}{|3.955|}+\frac{0.005}{|3.955|})*15.642 m^2$

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The area of the room and its uncertainty in square meters is:

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