An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the height of the arch is 30 feet, write the standard equation for the semi-ellipse. x² + = 1 6400 900 1² + = 1 1600 900 2 X = 1 900 1600
An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the height of the arch is 30 feet, write the standard equation for the semi-ellipse. x² + = 1 6400 900 1² + = 1 1600 900 2 X = 1 900 1600
Chapter11: Conics
Section11.2: Parabolas
Problem 11.25TI: (a) Write y=2x2+4x+5 in standard form and (b) use properties of standard form to graph the equation.
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![An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the
height of the arch is 30 feet, write the standard equation for the semi-ellipse.
2
x²
2
+
1
6400 900
x²
2²
+
1600 900
x²
2
+
900 1600
=
=
=
1
1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbc025c59-6bdc-48be-a1f1-041a40d15255%2Fb2807ef5-4af6-4c91-8732-b4086f92372d%2F2wbcxkm_processed.png&w=3840&q=75)
Transcribed Image Text:An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the
height of the arch is 30 feet, write the standard equation for the semi-ellipse.
2
x²
2
+
1
6400 900
x²
2²
+
1600 900
x²
2
+
900 1600
=
=
=
1
1
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