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4vir4ik [10]
3 years ago
5

Hich points are reflections of each other across the y-axis?

Mathematics
2 answers:
serg [7]3 years ago
5 0

Answer:

(–7, –3) and (7, –3). (negative,negative)  and (positive, negative) <u>Over Y</u>

(–5, 4) and (5, –4) . (N,P) and (P,N)  <u>Over y=x</u>

(1, –8) and (1, 8) . (P,N) and (P,P)  <u>Over X</u>

(–3, 5) and (5, –3). (N,P) and (P,N) <u>Over y=x</u>

(N,P)   (P,P)

(N,N)   (P,N)    

Serhud [2]3 years ago
4 0

Answer:

(- 7, - 3) and (7, - 3)

Step-by-step explanation:

The best way to do this is to sketch the graph...when dealing with reflection in the y axis, the value for y remains the same and the value for x becomes negative if it was positive or becomes positive if it was negative

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Bumek [7]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
How do I simplify the following to "a+bi" form: (1+2i)^3
damaskus [11]

Answer:

Expand it.

(1+2i)^3 is equal to (1+2i)(1+2i)(1+2i).

Multiply everything out (being sure to multiply <em>every</em> term. (1+2i) * (1+2i) = 1+2i+2i+4i^2.

i is the square root of negative one, so i^2 is just -1. 1+2i+2i-4 is what you get from the first two, so now simplify that:

1-4 + 2i+2i = (-3+4i) and now multiply that by (1+2i):

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Simplify again, and the answer is: -11-2i

Step-by-step explanation:

I hope this helps - really my only tip is don't spend time thinking about what i is, that just hurts your brain. Just remember that i^2 is equal to negative one, and treat it like regular multiplication and you will be fine.

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What is the inverse of g? <br> g(x) = 3/x+7
ikadub [295]

Given function :-

\bf \implies g(x) = \dfrac{3}{x}+7

  • To find its reverse , substitute y = g(x) .

\bf \implies y = \dfrac{3}{x}+7

  • Interchange x and y .

\bf \implies x = \dfrac{3}{y}+7

  • Solve for y .

\bf\implies \dfrac{3}{y}= x -7 \\\\\bf\implies y =\dfrac{3}{x-7}

  • Replace y with f-¹(x) .

\implies\boxed{\red{\bf f^{-1}(x) = \dfrac{3}{x-7} }}

6 0
2 years ago
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Korolek [52]

Answer:

6:00pm is the answer

Step-by-step explanation:


7 0
3 years ago
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