. A parabola has a focus located at ( ) and a directrix at y = What is the equation for the parabola in standard form? @ y =-+ 77 128 y = -x* + 2x - 75 © y= -* +;- 69 100 x²+ 15 77 128

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 46E
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6. A parabola has a focus located at (; ) and a directrix at y =
What is the equation for the parabola in standard form?
y =-
77
16
128
® y =-x² + 2x
23
75
69
y = -x? +
100
15
+-x-
16
77
y = -
128
Transcribed Image Text:6. A parabola has a focus located at (; ) and a directrix at y = What is the equation for the parabola in standard form? y =- 77 16 128 ® y =-x² + 2x 23 75 69 y = -x? + 100 15 +-x- 16 77 y = - 128
5. A parabola has a focus of (4, –5) and the directrix is y = 8.
Which of the following functions model the parabola with the
characteristics above? Select all that apply.
O y = -(x² – 8x – 23)
습(x-4)2 + 5
O -x* +x+
O -(x – 4)² +
O -x – 4)* +
26
39
26
16
Transcribed Image Text:5. A parabola has a focus of (4, –5) and the directrix is y = 8. Which of the following functions model the parabola with the characteristics above? Select all that apply. O y = -(x² – 8x – 23) 습(x-4)2 + 5 O -x* +x+ O -(x – 4)² + O -x – 4)* + 26 39 26 16
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