Question

Suppose the point

Answer 1

Co-ordinates of point B" are (-8,6)

Step-by-step explanation:

Question:

Suppose the point (2,8) is reflected across the −axis and then translated according to the rule (, ) →  (, + 4). What are the coordinates of ′′? Show your work and explain.

Solution:

We are given the point B(2,8) and we need to find B".

The coordinates of B" will be:

a) The point B(2,8) is reflected across the −axis:

If a point is reflected across x-axis, then the co-ordinate of x-axis remains same, while co-ordinate of y-axis is changed into opposite value, i.e its sign is changed.

So, point B' will be (2,-8)

b) Now, point B' is translated according to the rule (, ) →  (, + 4) so, co-ordinates of point B'' are:

So, y= -8 and x = 2

(-8,2+4)

(-8,6)

So, Co-ordinates of point B" are (-8,6)

Keywords: Translation

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Answer 2

Answer:

what is the question? ._.

Step-by-step explanation: