Consider the triangle ΔABC and denote by P the point on the segment BC such that 4PC=BC. Suppose further that P is the foot of the height relative to vertex A. Knowing that projBC→BA=(√x,√5−x,7√x), mark the alternative that corresponds to the value of x>0 such that ∥PC∥=2. a. x=35/48 b. x=19/49 c. x=31/49 d. x=23/50 e. x=27/49

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
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Consider the triangle ΔABC and denote by P the point on the segment BC such that 4PC=BC. Suppose further that P is the foot of the height relative to vertex A. Knowing that projBC→BA=(√x,√5−x,7√x), mark the alternative that corresponds to the value of x>0 such that ∥PC∥=2.

a. x=35/48
b. x=19/49
c. x=31/49
d. x=23/50
e. x=27/49
proj BÁ = (VE, V5 – 1,7 /7)
BC
Transcribed Image Text:proj BÁ = (VE, V5 – 1,7 /7) BC
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Consider the triangle ΔABC and denote by P the point on the segment BC such that 4PC=BC. Suppose further that P is the foot of the height relative to vertex A. Knowing that projBC→BA=(√x,√5−x,7√x), mark the alternative that corresponds to the value of x>0 such that ∥PC∥=2.

 

a. x=35/48

b. x=19/49

c. x=31/49

d. x=23/50

e. x=27/49

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