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Steps are given to find focus for a parabola. Arrange the steps. i. Draw a perpendicular bisector EF to BP, Intersecting the axis at a point F. ii. Then F is the focus of parabola. iii. Mark any point P on the parabola and draw a perpendicular PA to the axis. iv. Mark a point B on the on the axis such that BV = VA (V is vertex of parabol
Steps are given to find the axis of a parabola. Arrange the steps. i. Draw a perpendicular GH to EF which cuts parabola. ii. Draw AB and CD parallel chords to given parabola at some distance apart from each other. iii. The perpendicular bisector of GH gives axis of that parabola. iv. Draw a line EF joining the midpoints lo AB and CD.
If focus of parabola is F (2, 5) and equation of directrix is x + y=2, then find the equation of parabola.
Given below are four statements- (p) The second principal focus of a lens is the position of the object, real or virtual whose image is at infinity. (q) The second principal focus of a lens is the position of the image, real or virtual whose object is at infinity. (r) The first principal focus of a lens is the position of the object, real or virtual whose image is at infinity. (s) The first principal focus of a lens is the position of the image, real or virtual whose object is at infinity.  Examine the above statements and find which among then are correct. 
If the equation of parabola is 3y2 = 8x then which of the following statements is/are true: Equation of directrix is: 3x + 2 = 0 Equation of axis is: y = 0 Equation of latus rectum is: 3x - 2 = 0
Find the focus of parabola with equation y2=-100x.
Find the focus of parabola with equation x2=100y.
Find the focus of parabola with equation x2=-100y.
If vertex is at (1, 2) and focus (2, 0) then find the equation of the parabola.
A class III mathematics teacher gave the following questions to her students:  \(\begin{equation} \frac{ \begin{array}[b]{r} 256 \\ + 173 \end{array} }{ } \end{equation}\) \(\begin{equation} \frac{ \begin{array}[b]{r} 28 \\ + 32 \end{array} }{ } \end{equation}\) \(\begin{equation} \frac{ \begin{array}[b]{r} 129 \\ + 76 \end{array} }{ } \end{equation}\) Later she asks the students to solve a worksheet that has similar questions. Which of the following statements is appropriate for the given situation?