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vesna_86 [32]
3 years ago
13

Solve the system by substitution. y=x2 – 2x+1 y= 2x+1

Mathematics
1 answer:
mafiozo [28]3 years ago
6 0

Answer:

(0 , 1), (4, 9).

Step-by-step explanation:

y = x2 – 2x+1

y = 2x+1

Substitute y = 2x + 1 into the first equation.

2x + 1 = x^2 - 2x + 1

x^2 - 2x - 2x  = 0

x^2 - 4x = 0

x(x - 4) = 0

x  = 0, 4.

When  x = 0, y = 1.

When x = 4, y = 8 + 1 = 9.

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