General Math Tmsca Study Guide Review

| Category | Formula | |----------|---------| | Area – triangle | A = ½ × b × h | | Area – circle | A = πr² | | Circumference | C = 2πr or πd | | Pythagorean theorem | a² + b² = c² | | Slope | m = (y₂ – y₁)/(x₂ – x₁) | | Distance | d = √[(x₂–x₁)² + (y₂–y₁)²] | | Midpoint | ((x₁+x₂)/2, (y₁+y₂)/2) | | Probability | P(event) = (# favorable)/(# total) | | Percent change | (new – old)/old × 100% | | Simple interest | I = Prt | | Mean | sum / count | | Volume – rectangular prism | V = l × w × h |

On multiple choice, you can often plug the answers back into the problem faster than solving it algebraically. General Math Tmsca Study Guide

This is the largest chunk. If you get an A in Algebra I, you will get a 30% on this test. You must master the nuances. | Category | Formula | |----------|---------| | Area

You do not get a formula chart. You must have these committed to memory. This is the largest chunk

TMSCA loves geometry that doesn't require a calculator (neat numbers).

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| Category | Formula | |----------|---------| | Area – triangle | A = ½ × b × h | | Area – circle | A = πr² | | Circumference | C = 2πr or πd | | Pythagorean theorem | a² + b² = c² | | Slope | m = (y₂ – y₁)/(x₂ – x₁) | | Distance | d = √[(x₂–x₁)² + (y₂–y₁)²] | | Midpoint | ((x₁+x₂)/2, (y₁+y₂)/2) | | Probability | P(event) = (# favorable)/(# total) | | Percent change | (new – old)/old × 100% | | Simple interest | I = Prt | | Mean | sum / count | | Volume – rectangular prism | V = l × w × h |

On multiple choice, you can often plug the answers back into the problem faster than solving it algebraically.

This is the largest chunk. If you get an A in Algebra I, you will get a 30% on this test. You must master the nuances.

You do not get a formula chart. You must have these committed to memory.

TMSCA loves geometry that doesn't require a calculator (neat numbers).