Solve the logarithmic equation. This problem involves the use of the symbol “ln” instead of “log” to mean logarithm. Logarithmic expression
Direct and Inverse Variation
Direct or Indirect Variation, where when one of the variables increases, the other one decreases. Joint Variation, where more than two variables are related directly. Combined Variation, which involves a combination of direct or joint variation, and indirect variation. Direct and indirect variation
The Hyperbola
a graph of reciprocal function is Hyperbola. It is part of conic section. Normally , it is the part of syllabus of SAT subject test. A hyperbola is an open curve with two branches, the intersection of a plane with both halves of a double cone. The plane does not have to be parallel to […]
Ellipses
An Ellipses are a curve that is the locus of all points in the plane. The sum of whose distances and from two fixed points and (the foci) separated by a distance In mathematics, an ellipse is a curve in a plane surrounding two focal points such that the sum of the distances to the two focal points […]
pronoun traps
Sentence Correction Trap: Pronouns. “Since” is shorter and therefore E is correct. “Due to the fact” should always ring an alarm bell for you, as there may be a more concise choice. This question emphasizes that even when the issue is immediately apparent, it can be tricky to choose the correct option quickly.pronoun traps
Pronounce Continuity
Pronounce Continuity is Breaking a word down into syllables can make pronouncing it much easier. Hence word Continuity divided into smaller parts you can try to pronounce each part separately to get correct emphasis. Also learn how to pronounce Continuity in English with the correct pronunciation. Pronoun continuity
The tone of the author
Tone indicates the writer‘s attitude. Often an author’s tone is described by adjectives . Another , Tone is the author’s attitude toward the topic. The author’s attitude is expressed through the words and details he or she selects. Also Author’s tone questions are on all the reading tests. Here’s what author’s tone means and how to answer those questions when you encounter them. Therefore list of Tone Examples in common […]
Demand and Supply (Rev. notes) IGCSE
Supply and Demand. Demand refers to how much (quantity) of a product or service is desired by buyers. The quantity demanded is the amount of a product people are willing to buy at a certain price. Hence it give relation between them. Therefore there graph is St. line. Supply and Demand
Simultaneous Equation
The simultaneous equations are solve by the elimination. These equations are also solve by substitution as well as graphic method. Due to variable solution give coordinate. Simultaneous eq
Angle properties
The total angle at a point is 360 ° w +x+y+z=3600. 2. The total angle on a straight line is 180 ° In the diagram, x+y+z=1800 3. When two straight lines cross, vertically opposite angles are equal. In the diagram, • angles a and c are equal, • angles b and d are equal. Angle […]















