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What term best describes the set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant?
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What terms best describes the set of all points in a plane for which the difference between the distances of a given point to two fixed foci equals a certain constant?
The question asks about the "following". In those circumstances would it be too much to expect that you make sure that there is something that is following?
What is the NAME of the constant k in boyle's law where PV equals k?
Boltzman constant
What is the constant of variation in y equals -4x?
It is -4.
What statement describes the equation y equals 12x?
A function.
What is foci?
Foci, (the plural of focus), are a pair of points used in determining conic sections. They always fall on the major axis of symmetry of a conic. For example, in a circle, there is only one focus, the centerpoint. Every distance from the focus to any other point on the circle will be the same. In a parabola, the distance from any point of the parabola to the focus equals the distance from the centerpoint to the directrix. In a hyperbola, the difference of the distances between a point on the hyperbola and the focus points will be constant, and in an ellipse, the sum of the distances from any point on the ellipse to one of the foci is constant.
Which term best describes the set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant?
Sounds like an elliptical to me.
Which of these is the best definition of an ellipse?
The set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant. - APEX
What terms best describes the set of all points in a plane for which the difference between the distances of a given point to two fixed foci equals a certain constant?
The question asks about the "following". In those circumstances would it be too much to expect that you make sure that there is something that is following?
Which of the following is an expression of Boyle's law A equals constant B PT equals constant C equals constant D PV equals constant?
C.
Which of the following is true of an isothermal process Temperature is constant W equals Q ΔU equals 0 Pressure is constant?
Temperature is constant.
What is the NAME of the constant k in boyle's law where PV equals k?
Boltzman constant
A varies directly as b and a equals 12 when b equals 4 What is the constant of variation?
a varies directly as b and a = 12 when b = 4. What is the constant of variation?
What is the constant of variation in y equals -4x?
It is -4.
Which describes the average velocity of a bicycle going at a constant speed in a constant direction?
Every time the unicycle returns to its starting point, the average velocity equals zero. C. The total displacement divided by the time.
Does x equals -5 describes a function?
Yes.
Does y equals 2x - 1 have a constant of variation?
1
What is the constant proportionality of y equals 5x?
It is 5.
