31 Critical ACT Math Formulas 2026. Exam Questions and Correct Answers
With 100% Correct Answers | Latest 2026 |
slope - (y₂-y₁)/(x₂-x₁)
slope-intercept form - y=mx+b
midpoint formula - ((x₁+x₂)/2, (y₁+y₂)/2)
distance formula - (√(x₂-x₁)²+(y₂-y₁)²)
logarithms - log(b)x=y -> b^y=x
mean - (sum of terms/amount of terms)
speed - (total distance/total time)
probability of an outcome - (number of desired outcomes/total number of possible
outcomes)
combinations - x*y*z
x percent of a given number n - ((n)(x/100))
how much n percent is of another number - ((100n)/m)
With 100% Correct Answers | Latest 2026 |
slope - (y₂-y₁)/(x₂-x₁)
slope-intercept form - y=mx+b
midpoint formula - ((x₁+x₂)/2, (y₁+y₂)/2)
distance formula - (√(x₂-x₁)²+(y₂-y₁)²)
logarithms - log(b)x=y -> b^y=x
mean - (sum of terms/amount of terms)
speed - (total distance/total time)
probability of an outcome - (number of desired outcomes/total number of possible
outcomes)
combinations - x*y*z
x percent of a given number n - ((n)(x/100))
how much n percent is of another number - ((100n)/m)
