icantspeakengles
26.10.2019 •
Mathematics
Will mark brainliest
what is the x-intercept of the graph y = 2x - 14?
-14
-7
0
7
Solved
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Ответ:
Below
Step-by-step explanation:
● vector ED:
Vector ED = a since the Vectors ED and AB are colinear and have the same sense.
● vector CD:
Vector CD = -b since the vectors FA and CD are colinear but have opposite senses.
● Vector FB:
Vector FB = a+b
Using Chasles relation, we can express FB as the sum of the Vectors FA and AB.
● Vector BE:
Vector BE= -2b
The vectors BE and FA are colinear but have different senses. BE has a magnitude that is the double of FA's one.
●Vector EF:
Again using Chasles, relation we can express EF as the sum of the vectors FA and AB.
Vector EF= a+b
● Vector CF:
Vectors CF and AB are colinear but have opposite senses. The distance CF is the double of AB.
So: Vector CF=a+b