Fact families for 5 15 3
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For the given quadratic equation we only have a maximum at y = 18.
<h3>How to find the extrema of the given function?</h3>
Here we have:
Notice that this is a quadratic equation of negative leading coefficient.
Then we have a maximum at the vertex, and both arms tend to negative infinity as x tends to infinity or negative infinity.
The vertex is at:
x = -(-4)/(2*(-2)) = -1
The maximum is:
If you want to learn more about quadratic equations:
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We are asked to find the area of patio. It is circular so formula used for area is given by:
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number:
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number: