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Perpendicular Lines and the equation of a tangent

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Question 1

Here are the equations of 5 straight lines.

V:y=3x+2 V: y = 3x + 2 V:y=3x+2 W:y=−3x+2 W: y = -3x + 2 W:y=−3x+2 X:y=x−4 X: y = x - 4 X:y=x−4 Y:y=−13x+1 Y: y = -\frac{1}{3}x + 1 Y:y=−31​x+1 Z:y=13x+5 Z: y = \frac{1}{3}x + 5 Z:y=31​x+5
a.

Write down the letter of the line that is parallel to y=x+10y = x + 10y=x+10

[1]
b.

Write down the letter of the line that is perpendicular to y=3x−5y = 3x - 5y=3x−5

[1]

Perpendicular Lines and the equation of a tangent Questions

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