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alexandr1967 [171]
3 years ago
13

Fill in the other coordinate for the line 2x - 5y = 11: (4, )

Mathematics
2 answers:
Katen [24]3 years ago
7 0
2x - 5y = 11.              (4, a).  x = 4, y = a

Substituting into 2x - 5y = 11

2(4) - 5(a) = 11

8 - 5a = 11

-5a = 11 - 8

-5a = 3

a = 3/-5 = -3/5 =- 0.6

Other coordinate =  -3/5 = -0.6
Igoryamba3 years ago
3 0

Answer:

The other coordinate for the line 2x - 5y = 11 is \frac{-3}{5}

Step-by-step explanation:

Given : Equation of line as 2x - 5y = 11

We are given x-coordinate as 4 and we have to find the y- coordinate.

Consider the given equation of line as 2x - 5y = 11

Since, given  x-coordinate of equation of line as 4

Put x = 4 in equation and solve for y, we have,

2(4) - 5y = 11

-5y = 11 - 8

-5y = 3

Thus, y=\frac{-3}{5}

Thus,  The other coordinate for the line 2x - 5y = 11 is \frac{-3}{5}

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Answer:

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Step-by-step explanation:

Hi!

First, let´s write the system of equations:

-y² + 6y + x -9 = 0

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The solutions of the system are the pairs (x, y) that satisfy both equations.

Let´s take the second equation and solve it for x:

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Now, we can replace x in the first equation and solve it for y:

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(alternatively you can solve the quadratic equation using the quadratic formula).

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Please see the attached figure. The point where the curves intersect is the solution to the system.

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