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II. Solve the quadratic function below, show its
graph and complete the tables below:
f(x) = x2 - 2x + 1
Х -2 1 0 1 2.
y​


Sagot :

Answer:

f(x) = x2 - 2x + 1

SOLVING STEPS

f (x) = x² - 2x + 1

0 = x² - 2x + 1

0 - x² + 2x - 1 = 0

-x² + x + x - 1 = 0

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

-(x - 1) x (x - 1) = 0

-(x - 1)² = 0

(x - 1)² = 0

x - 1 = 0

x = 1