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Paladinen [302]
3 years ago
6

HELPPPPPP ASAP

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
6 0

what he was saying is the first drop down is B. y+x=6 and the second drop down is D.(-2, -8)

lyudmila [28]3 years ago
5 0

Answer: Equation of reflected ray is

B y+x=6

The point that does not lie on the reflected ray is :D -2,-8

Step-by-step explanation:

The  equation of incident ray is y-x=4 .The equation can be written as y=x+4.

The slope of line is m=1 .Any reflected ray will be perpendicular to the incident ray.Slope of line perpendicular to line y-x= 4 is m=-1.( slope of perpendicular line is reciprocal with opposite sign).

The reflected ray is having a slope of m=-1 and passing through the point (1,5)

Equation of line in point slope form is y-5=-1(x-1)

Or y-5=-x+1

y+x=6.                      

The point that does lie on the reflected ray is :D (-2,-8)

as if =-2 and y=-8 then

y+x=-2-8=-10 which is not true as the equation of reflected ray is y+x=6.

Other points are true for y+x=6.

As A)(2,4) we have 2+4=6 True

B)(4,2) we have 4+2=6.True.

c) (8,-2) we have 8-2=6.True.

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f
o
g
(
x
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f
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(
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(
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=
g
(
−
2
x
+
11
)
=
−
2
x
+
11
−
6

=
−
2
x
+
5

I think that the equations speak by themselves.
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f
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