Master every formula you need for SAT Math success. While the digital SAT provides some formulas, knowing them all will save you valuable time.
The digital SAT includes a reference sheet with these formulas.
m is slope, b is y-intercept
Use when you have a point and slope
Find slope between two points
Solve ax² + bx + c = 0
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r is the radius
d is diameter (2r)
b is base, h is height
l is length, w is width
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Vertex is at (h, k)
+ for growth, - for decay
P is principal, r is rate, n is times per year
P is principal, r is rate, t is time
length × width × height
r is radius, h is height
r is radius
r is radius, h is height
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Add all values and divide by count
If even count, average the two middle values
Always between 0 and 1
Write each formula on one side and its application on the other. Review daily for 10 minutes.
Don't just memorize—solve practice problems using each formula to understand when to apply it.
Study formulas in groups (algebra, geometry, etc.) to create mental connections and patterns.
Write out all formulas from memory once a week to identify which ones need more review.
Apply these formulas with our adaptive mock tests and personalized feedback to master SAT Math.