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Need a some help with explanation. Thank you

Need a some help with explanation. Thank you-example-1
User Laury
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1 Answer

11 votes

Answer:

C. (1, 3)

Explanation:

The x-coordinate of a point is the measure of the horizontal distance a point is to the right of the y-axis. When the point is translated 4 units to the left, its x-coordinate is reduced by 4: x ⇒ x-4.

The y-coordinate of a point is the measure of the vertical distance a point is above the x-axis. When the point is translated 2 units up, its y-coordinate is increased by 2: y ⇒ y+2.

__

translated points

The translation 4 units left and 2 units up can be summarized by ...

(x, y) ⇒ (x -4, y +2)

Then the translated vertices are ...

Q(1, 3) ⇒ Q'(1 -4, 3 +2) = Q'(-3, 5)

R(5, 1) ⇒ R'(5 -4, 1 +2) = R'(1, 3) . . . . . . . matches choice C

S(3, 5) ⇒ S'(3 -4, 5 +2) = S'(-1, 7)

Of the points listed, the point (1, 3) matches a translated vertex.

User Mati Kepa
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