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Identify the algebraic description that maps a point (3, 7) onto another point (-5, 7).
A) (x,y) → (x-8, y)
B) (x,y) → (x, y - 8)
C) (x, y) → (x, y + 8)
D) (x,y) → (x+8, y)

Sagot :

Esther

Answer:

A) (x, y) → (x - 8, y)

Step-by-step explanation:

(3, 7) →  (-5, 7)

Without adding or subtracting any values, we can immediately tell that the y-value did not change, but the x-value did. With this, we are left with choices A and D.

A) (x, y) → (x - 8, y)

   (3, 7) → (3 - 8, y)

   (3, 7) → (-5, 7)

This matches our problem, and therefore, A is the correct answer.

Hope this helps!

fieryanswererft

Answer:

A) (x, y) → (x-8, y)

Explanation:

Present Point: (3, 7)

Future Point: (-5, 7)

The change be: (x, y)

Solve:

(3, 7) + (x, y) → (-5, 7)

change side

(x, y) → (-5, 7) - (3, 7)

simplify the following

(x, y) → (-8, 0)

Therefore, we identify this using (x - 8, y)

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