Mathematics, 29.07.2019 01:00 MK100

Triangle rst was transformed using the rule (x, y) → (–x, –y). the vertices of the triangles are shown. r (1, 1) s (3, 1) t (1, 6) r' (–1, –1) s' (–3, –1) t' (–1, –6) which best describes the transformation? the transformation was a 90° rotation about the origin. the transformation was a 180° rotation about the origin. the transformation was a 270° rotation about the origin. the transformation was a 360° rotation about the origin.

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Answer from: leannaadrian

Just took the test the answer is 180 degrees.

Answer from: caseypearson377

- The transformation was a 180° rotation about the origin.

Explanation :-

Rotation is a rigid transformation in which a two dimensional figure rotate around a fixed center point. The center of rotation is fixed and the figure on the plane rotates about that point by a given angle.Rotation of points through 180°, about the origin when a point A(x,y) is rotated about the origin (0,0) through 180° in clockwise or anticlockwise direction, it takes the new position A'(-x,-y).

In the given question we can see that ΔRST was transformed using the rule (x, y) → (–x, –y), such that the vertices of the triangles are R (1, 1) S (3, 1) T (1, 6) and R' (–1, –1) S' (–3, –1) T' (–1, –6). Thus the transformation must be a 180° rotation about the origin.

Answer from: Quest

first anwser choice.

step-by-step explanation:

the greater/less or equal to symbol (> or < with the line at the bottom) is a closed/filled in circle.

when multiplying or dividing by a negative on both sides you have to flip the inequality sign. this rule only applies to multiplying or dividing by a negative number in inequality equations. this rule is really important.

-5c + 2 _< _27

subtract from both sides by 2

-5c _< _ 27

divide both sides by -5

c _< _ 5.4

flip the inequality sign

c _> _5.4

the only possible answer that would match the simplified inequality is the first answer choice

5c+2< 27 i really do not understand this.

Answer from: Quest

option: d is the correct answer.

d) none of the above.

step-by-step explanation:

clearly from the figure attached to the question we could see that there is no shape given. hence without any shape given in the figure and after rotation we can't obtained a square pyramid.

since, to obtain a image we need a proper figure of the pre-image so that it can be transformed.

hence, the correct answer is:

d) none of the above.

step-by-step explanation:

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Triangle rst was transformed using the rule (x, y) → (–x, –y). the vertices of the triangles are sho...

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