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mr Goodwill [35]
2 years ago
8

What are the solutions to the system y=x^2-6x+7 y=-x+13

Mathematics
2 answers:
Burka [1]2 years ago
5 0

Answer:

The solutions are (-1, 14) and (6, 7)  

Step-by-step explanation:

Given two equations

y=x^2-6x+7.......(1)

y=-x+13...............(2)

we have to solve the above two equations

Substitute the value of y from (2) equation to (1), we get

-x+13=x^2-6x+7

x^2-5x-6=0

By middle term splitting method

x^2-6x+x-6=0

x(x-6)+1(x-6)=0

(x+1)(x-6)=0

x=-1,6

(2) ⇒  y=-x+13

when x=-1, y=-(-1)+13=1+13=14

when x=6, y=-6+13=7

Hence, the solutions are (-1, 14) and (6, 7)

dolphi86 [110]2 years ago
3 0
I've attached the graphs to this answer. I hope they help. 

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