Two perpendicular lines, L1 and L2, intersect at point P, which has a y-coordinate of 4.The equation of the line L1 is 4x – 2y + 5 = 0.(a) Find the x-coordinate of the point P.(b) Find the gradient of L1.(c) Find the equation of L2. Give your answer in the form ax + by +d= 0, wherea, b and d are integers.

Given, Two perpendicular lines, L1 and L2, intersect at point P, which has a y-coordinate…

Answered: Two perpendicular lines, L1 and L2,…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 43E

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Two perpendicular lines, L1 and L2, intersect at point P, which has a y-coordinate of 4.
The equation of the line L1 is 4x – 2y + 5 = 0.
(a) Find the x-coordinate of the point P.
(b) Find the gradient of L1.
(c) Find the equation of L2. Give your answer in the form ax + by +d= 0, where
a, b and d are integers.

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the answer to Step 2 is very confusing. Can you please elaborate how putting y=4 in the equation of line 1 gets the 4x-24+5=0. Additionally, if 4x=3, my answer to x is that x=3/4 not 34. The answer of 34 must be missing the division sign. This is not well done at all. Can you please correct.

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