Parabola - Study guides, Class notes & Summaries

Circle Collection of points equidistant from the center. Equations for Circle (x-h)^2 + (y-k)^2 = r^2 Where (h,k) = center And r = radius 00:24 01:28 Distance Formula The square root of (x2-x1)^2 + (y2-y1)^2 Parabola Set of points equidistant from a focus and the directrix. Equations for Parabolas (x-h)^2 = 4p(y-k) Up if p>0, down if p<0 (y-k)^2 = 4p(x-h) Right if p>0, left if p<0 p = distance (h,k) = vertex Directrix E...

1. A circle can be centered anywhere in the coordinate plane. ANSWER: True 2. Find the standard equation of the hyperbola which satisfies the given conditions: Vertices (-2, 8) and (8, 8), a focus (12, 8) ANSWER: (x−3)225−(y−8)256=1(x−3)225−(y−8)256=1 3.What are the coordinates of the center of the circle given by the equation x2+y2-16x- 8y+31=0? ANSWER: (8,4) 4.Give the standard equation of the circle satisfying the given condition: center at the origin, radius 4Give ...

BUILDING UTILITIES REFRESHER # 499+ QUESTIONS AND ANSWERS 407. For an office plan that has a supervisor's office, work stations, clerical tables, etc... What type of Communication system would you use? c. LAN a. Intranet d. Telephone b. PABX - answerb. PABX 408. A supplier for Data/TeIecommunication c. Unitec a. Aiphone d. Visonic b. Phelps Dodge - answera. Aiphone 409. Where would be the most practical location for a daylight source to be used on work tables? - answerAt the top o...

MAE 284 Final Exam Questions & Answers 2024/2025 The parabolic interpolation method is based on fitting a parabola to three points on the function. - ANSWERSTrue The golden section method helps to minimize computational costs in finding a maximum/minimum. - ANSWERSTrue The key benefit to the golden section method is that we do not have to calculate both x1 and x2 at each iteration. - ANSWERSTrue The parabolic interpolation method is usually faster than the golden section method. - ...

Practice Exam Content (305 Content Exam) Questions with Complete Solutions Diphthong - Correct Answers a pair of letters that smoothly and subtly change from one sound to another when pronounced Echo Reading - Correct Answers a skilled reader reads a short sentence or phrase of text while students echo back the same sentence or phrase as they follow along; it is used to help students develop expressive, fluent reading and text comprehension Word Consciousness - Correct Answers awareness o...

what is absolute value? distance from zero on a number line if you get a negative absolute value, why is it said to not have a solution? because distance can't be negative what are integers? all whole negative and positive numbers when should u switch the sign on an inequality? when you're dividing or multiplying by a negative number why is it that you can have a both negative and positive solution for absolute value? because if your main solution is positive, ...

what is the equation for a circle in standard form? (x-h)^2 + (y-k)^2 = r^2 how do you find the center of a circle when the question is given to you in standard form? change the signs of the x and the y and put it in parentheses Ex: Q: (x+3)^2 + (y-1)^2 = 81 A: (-3, 1) 00:01 01:28 how do you find the radius of a circle when the question is given to you in standard form? take the number after the = and square root it how do you put an equation in standard for...

equation for parabola going through horizontal twice x²=4py equation for parabola going through vertical twice y²=4px 00:01 01:28 directrix of x²=4py y=-p directrix of y²=4px x=-p what is the symbol for focus? p the coordinates for the foci in x²=4py? (vertex,vertex±c) the coordinates for the foci in y²=4px? (vertex±c,vertex) what is p? the distance from the vertex to the focus what is the equation for a circle (x...

What is the equation for a circle? (x - h)^2 + (y - k)^2 = r^2 What is the midpoint formula? x1+x2/2 ; y1+y2/2 00:03 01:28 How do you know you are going to Graph a circle? If addition and if the coefficients are the same. How do you get the equation of a circle if it is not in standard form? Group the x and y's together then complete the square. How do you complete the square? Divide the middle coefficient by 2 and square it. Then add it to both sides ...

FE Actual Questions and Answers 2024/2025 Solved 100% 15 kg/s of air are compressed from 1 atm and 300K (enthalpy of 300.19 kJ/kg) to 2 atm and 900K (enthalpy of 732.93 kJ/kg). Heat transfer is negligible. The air compressor's power output is most nearly (A) 5.6 MW (B) 6.5 MW (C) 7.6 MW (D) 8.9 MW - answerB What is most nearly the weight in lbf if a 1.00lbm object in a gravitational field of 27.5ft/s^2? (A) 0.85lbf (B) 1.2lbf (C) 28lbf (D) 32lbf - answerA A rocket that has a mass ...