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Radioactive Decay
Radioactive isotopes of elements have unstable arrangement of neutrons and protons in their nuclei. To become more stable, they emit alpha or beta particles. But this changes the number of protons and neutrons in the nucleus resulting in the formation … Continue reading
Nuclear Radiation
Discovery: Henry Becquerel discovered radioactivity accidentally in 1896. Nuclear radiation: Some elements contain atoms with unstable nuclei. With time, the unstable nucleus disintegrates. While doing so, it shoots out a tiny particle and sometimes wave energy as well. Since … Continue reading
Sketching linear graphs
Sketching linear graphs using the gradient and yintercept: In linear equations in the form y = mx + b m is the gradient b is the y intercept Sketching linear graphs that pass through the origin: Graphs that pass through … Continue reading
Posted in mathematica 8
Tagged cool math, education, Gradient, Linear equations, linear graphs, math, math for high school, origin, parenting, Sketching graphs, xintercept, yintercept
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Gradient
Gradient: Gradient is the measure of a line’s steepness (slope). The gradient of a line describes the change in y values as the x value increases by 1. The size of the gradient tells us how steep a line is. … Continue reading
Posted in mathematica 8
Tagged education, Gradient, gradient formula, homeschooling, horizontal axis, math for high school, math lessons, parenting, rise, run, Slope, vertical axis
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Linear Equations
There is a Linear relationship between two variables if a uniform change in the independent variable produces a uniform change in the dependent variable. A linear relationship produces a linear graph (straight line). A linear graph is represented by the … Continue reading