11. Which is a quadratic equation?
a. X + 1 = 2
b. x2 + 1 = (x + 3)2
C. X(X + 2)
d. x+1/x
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11. Which is a quadratic equation?
a. X + 1 = 2
b. x2 + 1 = (x + 3)2
C. X(X + 2)
d. x+1/x
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Answer:
The answer is A
Step-by-step explanation:
Applying the quadratic formula the answer will be x = 1