Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising Definitions of All the Terms Employed in Mathematics - an Analysis of Each Branch, and of the Whole, as Forming a Single Science |
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Page 7
... EQUATION , is an equation ex- pressing a relation between abstract quanti- ties only , as , 3x + 4x 5 = 0 . - In such a system , the abscissa of a point magnitude represented by the equation passes is the distance cut off from the axis ...
... EQUATION , is an equation ex- pressing a relation between abstract quanti- ties only , as , 3x + 4x 5 = 0 . - In such a system , the abscissa of a point magnitude represented by the equation passes is the distance cut off from the axis ...
Page 14
... equation ( 3 ) . find 20 carats for the quality of the mixture . | Since there are three simples , there are The principle in the last example is in no three unknown quantities , any two of which wise different from that in the former ...
... equation ( 3 ) . find 20 carats for the quality of the mixture . | Since there are three simples , there are The principle in the last example is in no three unknown quantities , any two of which wise different from that in the former ...
Page 24
... equations determine the values of the includes those investigations in which the required parts . relations between ... equations determined are called the equations of the problem , and by examining them we are enabled to pronounce upon ...
... equations determine the values of the includes those investigations in which the required parts . relations between ... equations determined are called the equations of the problem , and by examining them we are enabled to pronounce upon ...
Page 39
... equation of the parabola is y2 = 2px , and of the circle ( x − a ) 2 + ( y —b ) 2 = 12 . If we combine these equations , and eliminate x , the values of y in the resulting equation , will represent the four perpendiculars PM , P'M ...
... equation of the parabola is y2 = 2px , and of the circle ( x − a ) 2 + ( y —b ) 2 = 12 . If we combine these equations , and eliminate x , the values of y in the resulting equation , will represent the four perpendiculars PM , P'M ...
Page 40
... equation . In the equa- tion of the fourth degree , if two of the roots are imaginary , that fact will be indicated by the circle only cutting the parabola in two points . Let it be required to construct the roots of the equation y2y4y2 ...
... equation . In the equa- tion of the fourth degree , if two of the roots are imaginary , that fact will be indicated by the circle only cutting the parabola in two points . Let it be required to construct the roots of the equation y2y4y2 ...
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Common terms and phrases
algebraic altitude application arithmetical axes base bisect calculus called centre chords circle circles of latitude co-ordinates cone conic conic sections conic surface conjugate constructed cube cubic equation curve cycloid decimal deduced degree denote diameter differential co-efficient directrix distance divided divisor draw drawn elements ellipse equa equal equation expression factors formula fraction function generatrix Geometry given greatest common divisor hence horizontal hyperbola infinite number intersection latitude length logarithm mathematical means measure meridian method multiplied nth root operation ordinate parabola parallel pass perpendicular plane polygon principal vertex principles projection quotient radius ratio regular polygon result rhumb line right angles roots rule scale sides sphere spherical square straight line surface taken tangent term tion transverse axis triangle Trigonometry unit unknown quantity variable vertex vertical vulgar fraction whole number
Popular passages
Page 87 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 275 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 26 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 454 - Three lines are in harmonical proportion, when the first is to the third, as the difference between the first and second, is to the difference between the second and third ; and the second is called a harmonic mean between the first and third. The expression 'harmonical proportion...
Page 82 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 4 - This cyclopaedia of mathematical science defines, with completeness, precision, and accuracy, every technical term ; thus constituting a popular treatise on each branch and a general view of the whole subject. 50 The National Teachers
Page 462 - In any quadrilateral the sum of the squares of the four sides is equal to the sum of the squares of the diagonals, plus four times the square of the line joining the middle points of the diagonals.
Page 134 - Subtract the cube of this number from the first period, and to the remainder bring down the first figure of the next period for a dividend.
Page 453 - Four quantities are in proportion when the ratio of the first to the second is equal to the ratio of the third to the fourth.
Page 516 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.