If the point is reflected across the x-axis, what is the location of the new point?
A)
(5,3)
B)
(-5,3)
(5, -3)
D)
(-5-3)

A

Step-by-step explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y ), thus

A(5, - 3 ) → A'(5, 3 )

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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