The co-ordinate diagram below shows the lines n, p, r, and s - Junior Cycle Mathematics - Question 5 - 2015
Question 5
The co-ordinate diagram below shows the lines n, p, r, and s.
The table shows the equation of each line.
(a) Write the letters n, p, r, and s into the table to matc... show full transcript
Worked Solution & Example Answer:The co-ordinate diagram below shows the lines n, p, r, and s - Junior Cycle Mathematics - Question 5 - 2015
Step 1
Write the letters n, p, r, and s into the table to match each line to its equation.
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Answer
Equation
Line
y = 2x - 4
r
y = x
n
y = -x
s
y = 2x + 4
p
Step 2
You can use a translation to map the line p or r onto the line r or p.
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Answer
The line p can be translated onto the line r.
Step 3
You can use an axial symmetry in the y-axis to map the line n or s onto the line s or n.
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Answer
The line n can be mapped onto the line s via axial symmetry in the y-axis.
Step 4
The line s or n is mapped onto itself under central symmetry in the point (0, 0).
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Answer
The line s is mapped onto itself under central symmetry in the point (0, 0).
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