Answer:
yes
Step-by-step explanation:
A quadratic function has the general form
fx) = ax² + bx + c ( a ≠ 0 )
f(x) = x² - 2x + 3 ← is in this form and is a quadratic function
Answer:

Step-by-step explanation:
By using the formula:-

where, (h,k) is the center and r is the radius
Answer: 1/6
Step-by-step explanation:
Answer:-13
Step-by-step explanation:
-8 + b^2 - 5 - b^2
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-13
D would be the correct answer