Pre-calc Questions With Complete Solutions distance formula - Correct Answers ✅d = √(x₂-x₁)²+(y₂-y₁)² midpoint formula - Correct Answers ✅M = ((x₁+x₂)/2, (y₁+y₂)/2) slope - Correct Answers ✅m = (y₂-y₁)/(x₂-x₁) slopes of parallel lines - Correct Answers ✅m₁ = m₂ slopes of perpendicular lines - Correct Answers ✅m₁m₂ = - 1 equation of a vertical line - Correct Answers ✅x = a equation of a horizontal line - Correct Answers ✅y = b point-slope form - Correct Answers ✅y-y₁ = m(x-x₁) slope-intercept form - Correct Answers ✅y = mx+b general form - Correct Answers ✅Ax+By = C 1 / 2
Pre-calc Questions With Complete Solutions standard form of the equation of a circle - Correct Answers ✅(x-h)²+(y-k)² = r² equation of the unit circle - Correct Answers ✅x²+y² = 1 general form of the equation of the circle - Correct Answers ✅x²+y²+ax+by+c = 0 linear function - Correct Answers ✅f(x) = mx+b constant function - Correct Answers ✅f(x) = b identity function - Correct Answers ✅f(x) = x cube function - Correct Answers ✅f(x) = x³ reciprocal function - Correct Answers ✅f(x) = 1/x square function - Correct Answers ✅f(x) = x² square root function - Correct Answers ✅f(x) = √x absolute value function - Correct Answers ✅f(x) = |x|
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