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blondinia [14]
3 years ago
6

ASAP BRAINLIEST AND POINTS Figure ABCD is reflected across the x-axis. What are the coordinates of A' , B' , C' , and D' ? Enter

your answer in each box. A' (​ ​, ​ ​) B' (​ ​, ​ ​) C' (​ ​, ​ ​) D' ( ​​, ​​) Coordinate plane. The horizontal axis ranges from negative 10 to 10 in increments of 1. The vertical axis ranges from negative 10 to 10 in increments of 1. Quadrilateral A B C D has vertices A at negative 1 comma 4, B at negative 5 comma 8, C at negative 5 comma 4, and D at negative four comma 2.
Mathematics
1 answer:
fgiga [73]3 years ago
6 0

Answer:

The reflecting across the x-axis, then all x component is unchanged, let's change the sign of y component only.

We have

A(-1,4) => A'(-1,-4)

B(-5,8) => B'(-5,-8)

C(-5,4) =>C'(-5,-4)

D(-4,2) => D'(-4,-2)

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A line passes through the point (-1,-5) and has a slope of -5.
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<h3>hello!</h3>

We're given a point that the line intersects and its slope.

Let's use Point-slope:-

\boxed{y-y1=m(x-x1)}

y1 = -5

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\boxed{y-(-5)=-5(x-(-1)}

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Convert to slope-intercept:-

\boxed{y+5=-5x-5}

\boxed{y=-5x-5-5}

Finally,

\bigstar{\boxed{\pmb{y=-5x-10}}

<h3>note:-</h3>

Hope everything is clear; if you need any clarification/explanation, kindly let me know, and I will comment and/or edit my answer :)

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