ACT Math Formulas

  1. Distance formula
    Image Upload 1
  2. Mid-point Formula
    Image Upload 2
  3. Slope of a line
    Image Upload 3
  4. Equation of a line
    • y = mx + b
    • m is slope, b is y-intercept
  5. Pythagorean Theorem
    • Image Upload 4
    • For right triangles only
    • a and b are short sides
    • c is hypotenuse
  6. Area of Triangle
    Area = 1/2 (base)(height)
  7. Trig functions
    • SOH CAH TOA
    • sin=opposite/hypotenuse
    • cos=adjacent/hypotenuse
    • tan=opposite/adjacent
  8. Area of a circle
    Image Upload 5
  9. Circumference of a circle
    Image Upload 6
  10. Equation of a Circle
    Image Upload 7

    center: (h,k)
Author
skoolj
ID
227963
Card Set
ACT Math Formulas
Description
ACT formulas to know for math exam
Updated