Arithmetic mean (average) = Sum of values
Number of values.
Probability = Target outcomes / Total outcomes.
Quadratic Formula: x = −b ± √b²-4ac/2a.
Distance Formula: d=√(x₁ – x₂)² + (y₁ – y₂)²
Slope Formula: Slope = y₂ – y₁ / x₂ – x₁
Slope Intercept: y=mx+b.
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Pre-Algebra / Elementary Algebra
Arithmetic mean (average) = Sum of values
Number of values.
Probability = Target outcomes / Total outcomes.
Quadratic Formula: x = −b ± √b²-4ac/2a.
Distance Formula: d=√(x₁ – x₂)² + (y₁ – y₂)²
Slope Formula: Slope = y₂ – y₁ / x₂ – x₁
Slope Intercept: y=mx+b.