PLEASE HELP FAST WILL MARK BRAINLIEST PLZ
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A quadratic function is a function of the form 
. The vertex, 
of a quadratic function is determined by the formula: 
and 
; where 
is the x-coordinate of the vertex and 
is the y-coordinate of the vertex. The value of 
determines if the <span>parabola opens upward or downward; if</span> is positive, the parabola<span> opens upward and the vertex is the minimum value, but if </span> is negative <span>the graph opens downward and the vertex is the maximum value. Since the quadratic function only has one vertex, it </span><span>could not contain both a minimum vertex and a maximum vertex at the same time.</span>
Answer:
Exact dimensions:
Approximate dimensions:
Step-by-step explanation:
Let's assume width of rectangle is w ft
The length of a rectangular flower bed is 2ft longer than the width
so,
length =w+2
now, we can find area
now, we can plug it
we are given area =6
so, we can set it equal
and then we can solve for w
we can use quadratic formula
now, we can compare and find a,b and c
a=1 , b=2 , c=-6
we know that dimension can never be negative
so, we will only consider positive value
Exact dimensions:
Approximate dimensions: