IGCSE /Grade 9
Maths MCQ Based On Reflections find out the coordinates
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IGCSE Grade 9 Maths Reflections find out the coordinates
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Reflection means mirror image.
The x-axis reflection changes the sign of the y-coordinate, and the y-axis reflection changes the sign of the x-coordinate.
Reflection is mirror image
To reflect a point over a vertical line, the y-coordinate remains the same, and the x-coordinate reflects about the line.
The y-axis reflection changes the sign of the x-coordinate. The reflection over the line y = -x swaps the x and y coordinates and changes their signs.
To reflect a point over a line in slope-intercept form (y = mx + c), we can use the formula: x' = (x - my + mc) / (1 + m^2) y' = (mx + y - c) / (1 + m^2)
use the formula: x' = (x - my) / (1 + m^2)
y' = (mx + y) / (1 + m^2)
swap the x and y coordinates.
Reflection is mirror image.
Reflection means taking mirror image.
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