Asked by Izzy
Tell whether the graph opens upward or downward. Then find the axis of symmetry and vertex of the graph of the function.
y=-1/4x^2-24
y=-1/4x^2-24
Answers
Answered by
MathMate
y=-1/4x^2-24
Hints:
If the leading coefficient of a quadratic expression is negative, it opens downwards.
For a general quadratic equation
y=ax²+bx+c,
The axis of symmetry is at the line
y=-b/2a
Hints:
If the leading coefficient of a quadratic expression is negative, it opens downwards.
For a general quadratic equation
y=ax²+bx+c,
The axis of symmetry is at the line
y=-b/2a
Answered by
Poop.
Which one is the B in my equation?
Answered by
MathMate
y=ax²+bx+c,
b is the coefficient of the term in x.
Since your expression does not have an x-term, b=0.
b is the coefficient of the term in x.
Since your expression does not have an x-term, b=0.
Answered by
Poop.
Thank you!
Answered by
MathMate
You're welcome!
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