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olasank [31]
3 years ago
11

Can someone help me please? (Math)

Mathematics
1 answer:
vesna_86 [32]3 years ago
5 0
Let   y = \frac{x}{2}  +  3   be line₁
And the perpendicular angle be line₂


If a line is perpendicular to another, then the product of their gradients is -1, which means that the gradient of line₂ would be the negative reciprocal of line₁

Based on that, if the gradient of line₁ is \frac{1}{2}
                   then, the gradient of line₂ is - 2.

Now by using the point-slope form  y - y₁ = m ( x - x₁)

If line₂ passes through the line (1,8) and have gradient -2,
then by exploiting the point-slope form  y - 8 = -2 (x - 1)

∴ equation of the ine perpendicular to y = \frac{x}{2}  +  3   would  be y = -2x + 10

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