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Yuri [45]
2 years ago
10

What is the solution to the system of equations?

Mathematics
1 answer:
Artist 52 [7]2 years ago
7 0

Answer:

No solutions .........

Step-by-step explanation:

3x-4y=7

-12x+16y=10

Multiply 1st equation by 4, you get:

12x-16y=28

Add the 1st and 3rd equations:

0x+0y=38

0(x+y)=38

(x+y)=38/0 which is undefined

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Write an equation for the line passing through the points (2,4) and (2,7).
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x=2

Step-by-step explanation:

Since the points (2,4) and (2,7)  are on the line whose equation is x = 2,

The equation of the line passing through them is hence x = 2

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What is the inverse of f(x)=(-2x+2)/(x+7)?
Nana76 [90]

By applying the concept of the inverse of a function and <em>algebraic</em> handling, we conclude that the inverse of f(x) = (- 2 · x + 2)/(x + 7) is g(x) = (- 7 · x + 2)/(x + 2).

<h3>How to find the inverse of a function</h3>

In this question we have a <em>rational</em> function f(x) and finding its inverse consists in clearing x in terms of f(x). Prior any algebraic handling, we need to apply the following substitutions:

x \to y

f(x) \to x

x = \frac{-2\cdot y + 2}{y+7}

x · (y + 7) = - 2 · y + 2

x · y + 7 · x = - 2 · y + 2

2 · y + x · y = - 7 · x + 2

y · (2 + x) = - 7 · x + 2

g(x) = \frac{- 7\cdot x + 2}{x + 2}

By applying the concept of the inverse of a function and <em>algebraic</em> handling, we conclude that the inverse of f(x) = (- 2 · x + 2)/(x + 7) is g(x) = (- 7 · x + 2)/(x + 2).

To learn more on inverses: brainly.com/question/7181576

#SPJ1

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1 year ago
2x 2 + 10-12<br> X +6<br> Simplify
jenyasd209 [6]

Answer:

-72 X + 14

Step-by-step explanation:

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