△ABC is reflected to form △A'B'C' .
2 answers:
Answer:
Option B.
Step-by-step explanation:
It is given that △ABC is reflected to form △A'B'C' .
It is given that the vertices of triangle ABC are A(4,1), B(6,3) and C(2,4).
From the given figure it is clear that vertices of triangle A'B'C' are A'(-4,1), B'(-6,3) and C(-2,4).
The relation between preimage and image is defined by the rule
Reflection across y-axis represented by the above rule.
It means the △ABC is reflected across the y-axis to form △A'B'C' .
Therefore, the correct option is B.
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Answer:
Step-by-step explanation:
x+y≥-4
consider x+y=-4
when x=0,y=-4
point is (0,-4)
when y=0,x=-4
point is (-4,0)
draw a line through (0,-4) and (-4,0)
put x=0,y=0
0+0≥-4
which is true.
Hence origin lies on the graph.
graph is on and right of the line.
