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7nadin3 [17]
3 years ago
13

Helpppppppppppppppppppppppppp

Mathematics
2 answers:
Elan Coil [88]3 years ago
5 0
Answer:
(2,5)

Explanation:
The solution of the system is the order pair that satisfies both equations.
The first given equation is:
x = y - 3
This can be written as:
y = x+3 .......> I

The second given equation is:
x^2 - 6x + 13 = y .........> II

Substitute with I in II and solve for x as follows:
x^2 - 6x + 13 = y
x^2 - 6x + 13 = x + 3
x^2 - 6x + 13 - x - 3 = 0
x^2 - 7x + 10 = 0
(x-5)(x-2) = 0
either x = 5
or x = 2

Substitute with x in equation I to get y as follows:
at x = 5 : y = 5+3 = 8...> first solution is (5,8)
at x = 2 : y = 2+3 = 5...> second solution is (2,5)

katrin2010 [14]3 years ago
4 0
(2, 5) and (5, 8) are the solutions to the system of equations.

We have y=x^2-6x+13 and x=3-y. 

Let's substitute x+3 for y in y=x^2-6x+13. We get (x+3)=x^2-6x+13. Now, factor to solve for x.

0=x^2-7x+10  \\ 0=(x-5)(x-2) \\ x = 2, \ x = 5

Now, substitute each value of x into one of the original equations to solve for y. 

y-3=2  \\ y = 5

y-3=5  \\ y=8
(2,5),(5,8)

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