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Whitepunk [10]
2 years ago
7

trIangle ABC was reflated over y-axis. the coordinate of point A are(6,-4). what are the coordinate of A

Mathematics
1 answer:
Taya2010 [7]2 years ago
3 0

Answer:

(-6,-4)

Step-by-step explanation:

Rule for reflection over the y axis (x,y) -----> (-x,y)

Explanation of rule : change the sign of the x value and keep the y value the same.

Applying rule to given coordinate

(6,-4) -----> change the sign of 6 to get -6 and keep -4 as it is -----> (-6,-4)

Refer to the attached image for more validation. Note that x=0 is the y axis

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Nikolay [14]
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y = x² - 2x + (1 + 2)
y = x² - 2x + 3
x² - 2x + 3 = 0
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x = <u>2 +/- √(4 + 12)</u>
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x = <u>2 +/- √(16)
</u>             2<u>
</u>x = <u>2 +/- 4
</u>           2<u>
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x = 1 + 2      x = 1 - 2
x = 3            x = -1
y = x² - 2x + 3
y = (3)² - 2(3) + 3
y = 9 - 6 + 3
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or
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5 0
3 years ago
Solve the inequality and graph its solution on a number line a - 3 &gt; -7
Ira Lisetskai [31]

Answer:

B

Step-by-step explanation:

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collect like terms

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6 0
3 years ago
Gotta estimate them, anyone know​
Mariulka [41]

Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

(10^-3)(10^5)​

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1/1,000*10^5

1/1,000*100,000

100,000/1,000=100

Hope this helps, HAVE A BLESSED AND WONDERFUL DAY! I also hope you had a great Superbowl Weekend! :-)

- Cutiepatutie ☺❀❤

7 0
3 years ago
What does the coefficient do to the variable?
Lelechka [254]

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