If ABCDE is reflected over the x-axis and then translated 3 units left, what are
the new coordinates B?
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Answer:
(1, - 2 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y ), thus
B(4, 2 ) → (4, - 2 )
A translation of 3 units left means subtract 3 from the x- coordinate of the point.
(4, - 2 ) → (4 - 3, - 2 ) → (1, - 2 )
The new coordinates B (1, - 2 )
Under a reflection in the x- axis
a point (x, y ) → (x, - y ), thus
B(4, 2 ) → (4, - 2 )
A translation of 3 units left means subtract 3 from the x- coordinate of the point.
(4, - 2 ) → (4 - 3, - 2 ) → (1, - 2 )
Coordinates are distances or angles, represented by numbers, that uniquely identify points on surfaces of two dimensions (2D) or in space of three dimensions ( 3D ). There are several coordinate schemes commonly used by mathematicians, scientists, and engineers.
Coordinates Definition. A pair of numbers that describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines called the coordinates. Usually represented by (x, y) the x value and y value of the point on a graph. Every point or an ordered pair contains two coordinates
Learn more about coordinates, refer
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