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1Jessie draws triangle ABC on a coordinate grid. The slope of line segment AB is \frac{3}{4} 43 . Jessie then transforms triangle ABC using a single transformation to create triangle A'B'C'. She claims the slope of A'B' will still be \frac{3}{4} 43 . For the transformation below, indicate whether it supports or does not support Jessie's claim.Rotation of 180o around the origin.

1Jessie draws triangle ABC on a coordinate grid. The slope of line segment AB is \frac-example-1
User Number
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1 Answer

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Step-by-step explanation

The slope of a line is a measure of its steepness. Mathematically, the slope is calculated as "rise over run" (change in y divided by change in x).


\text{ Slope }=\frac{\text{ rise}}{\text{ run}}

Since the slope of the line segment AB is 3/4, we know that its rise is 3, and its run is 4.


\text{ Slope of line segment AB }=\frac{\text{ rise}}{\text{ run}}=(3)/(4)

So, the coordinates of points A and B could be A(0,0) and B(4,3).

On the other hand, the rule for a rotation by 180° about the origin is:


(x,y)\rightarrow(-x,-y)

Then we can apply the above rule and calculate the coordinates of line segment A'B'.


\begin{gathered} A(0,0)\operatorname{\rightarrow}A^(\prime)(0,0) \\ B(4,3)\operatorname{\rightarrow}B^(\prime)(-4,-3) \end{gathered}

Finally, let us find the slope of the line segment A'B'.

As we can see, the slope of the line segment A'B' is also 3/4.


\text{Slope of line segment A'B'}=\frac{\text{r\imaginaryI se}}{\text{run}}=(3)/(4)Answer

Supports Jessie's claim

1Jessie draws triangle ABC on a coordinate grid. The slope of line segment AB is \frac-example-1
1Jessie draws triangle ABC on a coordinate grid. The slope of line segment AB is \frac-example-2
1Jessie draws triangle ABC on a coordinate grid. The slope of line segment AB is \frac-example-3
User DrGary
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2.9k points
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