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Math · 8th Grade
Distance and Midpoint
Two formulas for the coordinate plane — one is Pythagoras in disguise.
How to use it
Distance is a subtraction then a root. Midpoint is an average. Do not mix them up.
Free · print-ready PDF · US Letter and A4
- Grade
- 8th Grade
- Ages
- 13–14
- Subject
- Math
- Pages
- 1
The rest of the 8th Grade wall
49 more posters, all free to print — 11 of them here.
The Product RuleSame base, multiplying? Add the exponents.The Quotient RuleSame base, dividing? Subtract the exponents.The Power of a Power RuleA power raised to a power? Multiply the exponents.Zero and Negative ExponentsWhy anything to the power zero is one, and where a negative exponent really lives.Scientific NotationVery big and very small numbers, written so you can actually compare them.Square and Cube RootsThe numbers worth knowing by sight, and how to simplify the rest.SlopeRise over run, and the four kinds of slope a line can have.Slope-Intercept Formy = mx + b — the form you can graph without doing any working.Three Forms of a LineSame line, three ways of writing it — and what each is good for.Systems of EquationsTwo lines, three methods, and what it means when there is no answer.What Makes a FunctionOne input, one output — and the two tests that check it.