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Formulas for reflections and rotations

Quiz by Ann Lynch

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Q 1/10
Score 0
Which of the following is the result of adding -7 and 4?
29
-3
7
11
-11

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10 questions

Show answers

Q1
Which of the following is the result of adding -7 and 4?
-3
7
11
-11
30s
Q2
Which formula can be used to describe the reflection of a point across the x-axis?
(x, -y)
(x, y)
(-x, y)
(-x, -y)
30s
Q3
Which formula can be used to describe a clockwise rotation of a point by 90 degrees?
(-y, x)
(x, -y)
(y, x)
(-x, y)
30s
Q4
Which formula can be used to describe the reflection of a point across the y-axis?
(-x, y)
(x, -y)
(x, y)
(-x, -y)
30s
Q5
Which formula can be used to describe a counterclockwise rotation of a point by 180 degrees?
(x, y)
(-x, -y)
(-y, x)
(y, -x)
30s
Q6
What is the formula for a reflection of a point across the y-axis?
(x, -y)
(x, y)
(-x, y)
(-x, -y)
30s
Q7
What is the formula for a rotation of a point 90 degrees counterclockwise?
(-x, -y)
(y, x)
(-y, x)
(x, -y)
30s
Q8
Which formula can be used to describe a reflection of a point across the line y = x?
(x, y)
(-x, -y)
(-y, -x)
(y, x)
30s
Q9
What is the formula for a rotation of a point 180 degrees counterclockwise?
(-y, x)
(x, y)
(-x, -y)
(y, -x)
30s
Q10
What is the formula for a reflection of a point across the line y = -x?
(y, x)
(-y, x)
(-y, -x)
(x, -y)
30s

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