What is the value of b? Hurry please!!
2 answers:
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Answer:
- y-intercept: (0, 3)
- axis of symmetry: x = -1
Step-by-step explanation:
The y-intercept is the constant, 3. It is the value of f(0).
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The axis of symmetry of the quadratic function ...
f(x) = ax^2 +bx +c
is ...
x = -b/(2a)
Here, using that formula gives ...
x = -(2a)/(2(a)) = -1
The axis of symmetry is x = -1.
