Point-slope
Start from m = rise/run = y - y1x - x1 and cross multiply to get y - y1 = m(x - x1). That is point-slope: the line through (x1, y1) with gradient m.…
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Start from m = rise/run = y - y1x - x1 and cross multiply to get y - y1 = m(x - x1). That is point-slope: the line through (x1, y1) with gradient m.…
Immiscible liquids form layers and can be drained separately through a separating funnel.
Necessary Causation: The idea that the link between cause and effect is necessary and always true. One thing is necessarily the cause of another thing.…
Descriptive Statistics are techniques used to summarize, organize, and describe the main features of a dataset using measures such as mean, median, mode,…
a · b = |a| |b| cos theta, where theta is the angle between them (0 to 180 school). Also a · b = a1 b1 + a2 b2 + a3 b3. Result is a scalar. a · a = |a|^2.…
Scientific notation is a method of expressing a number as the product of a coefficient and an integral power of ten: N = a × 10ⁿ where 1 ≤ |a| < 10 and n is an…
Class 12 closes applied chemistry: industry makes dyes, pesticides, petrochemicals, polymers, and cosmetics safely; environment tracks air, water, ozone, and…
Moment of inertia describes how strongly an object resists a change in its rotational motion. It is also called rotational inertia. An object is harder to…
Titration: Titration is a laboratory method used to determine the concentration of a solution by reacting it with a solution of known concentration. In…
Anaerobic Respiration: Anaerobic respiration is the incomplete breakdown of glucose in the absence of oxygen. It is also known as fermentation. In simple…
A few inclinations have exact gradients you should know. At 45 deg, tan 45 = 1 so m=1. At 60 deg, tan 60 = sqrt(3). At 30 deg, tan 30 = 1/sqrt(3). Sign follows…
Conditions of Equilibrium are the set of rules that must be satisfied for an object to be in a state of complete balance. There are two conditions: 1.…
Translate a geometric condition into a distance equation, simplify, then interpret the resulting curve.
Inclination theta is anti-clockwise from the positive x-axis. Horizontal: theta=0, the line never climbs, slope 0. Vertical: theta=90 deg, the line has no run,…
Birds opposite in the ZW tale. Turtles: temperature named in some books (not human). Insects: XO. Match the syllabus example. Female: XX. Male: XY. SRY gene on…
Respiratory diseases are disorders that affect the respiratory system, including the air passageway and lungs. They can impair breathing and gas exchange,…
Bullet Points in HTML are list items displayed with a marker (such as a bullet, number, or letter) before each item. HTML provides two main types of lists:…
Superfluidity is a quantum state in which a liquid has zero viscosity and flows without friction or loss of kinetic energy. Liquid helium shows this state near…
At constant temperature and fixed physical conditions, current is directly proportional to potential difference.
Definition: Translation is the second step of gene expression. The mRNA synthesized in the nucleus of the cell moves into the cytoplasm where it binds to…
Solubility is the maximum amount of solute which dissolves in a specified amount of solvent at a specific temperature. Simple explanation:…
Physics supports energy, transport, medicine, and communication, but choices must also consider safety and environmental cost.
Typical school: aliphatic amine > NH3 > phenylamine. Explain with availability of the pair. pKb / pKa of conjugate if tables given. Salt formation with HCl…
A blacksmith's arm is not a gene change in sperm. Weismann's cut-mice tale named if the book has it. Epigenetics is a later nuance; exams still want 'acquired…