TSIA2 STUDY GUIDES: MATH | Actual Questions
Updated 2025/2026 (Graded A+)
Real Numbers - ✔✔All numbers that are on number line. Integers plus fractions, decimals, and
irrationals
Slope of the line - ✔✔(𝑦2−𝑦1)/(𝑥2-𝑥1)=𝑟𝑖𝑠𝑒/𝑟𝑢𝑛
Point-slope form - ✔✔y-y1=m(x-x1), where (x1,y1) is any point on the line and m is the slope of the line
Slope-intercept form - ✔✔y=mx+b, where m is the slope and b is the y-intercept of the line.
Pythagorean Theorem: - ✔✔a²+b²=c²
Area of a triangles - ✔✔A=1/2bh
The angles inside a triangle add up to ? - ✔✔180 degrees
equilateral triangle - ✔✔These triangles have three equal sides, and all three angles are 60∘
Isosceles - ✔✔An isosceles triangle has two equal sides. The "base" angles (the ones opposite the two
sides) are equal (see the 45∘ triangle above).
Area of a Circle - ✔✔A=π𝑟2
Circumference of a Circle - ✔✔C =2π𝑟
The angles of a circle adds up too? - ✔✔360
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