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swat32
1 year ago
11

On a coordinate plane, triangle A B C has points (negative 1, negative 1), (negative 2, negative 1) and (negative 2, negative 4)

. Triangle A prime B prime C prime has points (1, negative 1), (2, negative 1), and (2, negative 4). What is the equation of the line of reflection that maps the pre-image to the image? y = x y-axis x-axis x = 1
Mathematics
1 answer:
scoray [572]1 year ago
7 0

Answer: y-axis

Step-by-step explanation:

The equation of the line of reflection is the perpendicular bisector of the segment that connects a point on the preimage and the corresponding point on the image.

For this, we'll consider A(-1, -1) and A'(1, -1).

The equation of this line is clearly y = -1, and its midpoint is (0, -1).

This means the line of reflection will be a vertical line passing through (0, -1), which is the line x = 0, or the y-axis

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Step-by-step explanation:

Given: The nth term of a sequence is given by .  

let βn be the nth term.

           then βn = 3n²

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19 th term is the first one with a value greater than 1000 the sequence that is βx > 1000

         3x² > 1000

divide by 3

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to make x the subject of the formula, square root both sides

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that is: β19 = 3(19)²

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               =1083.

Hope it will help.


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