Answer:
x=5 feet
Step-by-step explanation:
At floor level y=0
If the expression is:
But, with the negative sign, the answer is x= 5i (where i is imaginary)
52 over 98 is equal to b over 49 what does b equal
2 answers:
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Answer:
Step-by-step explanation:
we know that
The function of the graph is a vertical parabola open upward
The vertex is a minimum
The equation of a vertical parabola in vertex form is equal to
where
a is a coefficient
(h,k) is the vertex
In this problem
Looking at the graph
The vertex is the point (0,-4)
substitute
To determine the value of "a" take a point in the graph
I take the point (3,5)
substitute the value of x and the value of y and solve for a
therefore
The equation of the quadratic function is