Line l1 has equation 2x + y – 10 = 0. Line l2 is perpendicular to l1 and crosses the x-axis at the point A(-2,0). a Find the equation of l2. b Find the coordinates of M, the point of intersection of l1 and l2. Line l1 crosses the x-axis at B. Find the exact area of the triangle AMB.
Line l1 has equation 2x + y – 10 = 0. Line l2 is perpendicular to l1 and crosses the x-axis at the point A(-2,0). a Find the equation of l2. b Find the coordinates of M, the point of intersection of l1 and l2. Line l1 crosses the x-axis at B. Find the exact area of the triangle AMB.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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![Line lį has equation 2x + y – 10 = 0. Line l2 is perpendicular to l1 and crosses the x-axis at the point A(-2,0).
a
Find the equation of l2.
b
Find the coordinates of M, the point of intersection of l1 and l2.
Line l1 crosses the x-axis at B.
Find the exact area of the triangle AMB.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F71d9916a-c176-469e-a26c-d697135b2205%2Ffaf32642-3ed0-405a-8b35-edde96bf1a2f%2Fm8ymk3c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Line lį has equation 2x + y – 10 = 0. Line l2 is perpendicular to l1 and crosses the x-axis at the point A(-2,0).
a
Find the equation of l2.
b
Find the coordinates of M, the point of intersection of l1 and l2.
Line l1 crosses the x-axis at B.
Find the exact area of the triangle AMB.
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