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Duke University

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UCLA

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Unweighted GPA:** 3.7**

1.0

4.0

SAT: **720 math**

200

800

| **800 verbal**

200

800

Low accuracy (4 of 18 factors)

Hey, y'all! I'm working on making an SAT formulas sheet for my prep sessions. What are the must-have formulas and concepts that I should include in it to help me ace the Math section?

8 months ago

Hi there! Creating a formula sheet for the SAT Math section is a great idea. Here's a list of essential formulas and concepts you should include on your sheet:

1. Basic Arithmetic and Algebra

- Order of operations (PEMDAS/BODMAS)

- Exponents and radicals

- Absolute value

- Factoring and solving quadratic equations

- Distance formula: Distance = √((x₂ - x₁)² + (y₂ - y₁)²)

- Slope-intercept form of a linear equation: y = mx + b

- Point-slope form: (y - y₁) = m(x - x₁)

- Systems of linear equations

2. Ratios, Proportions, and Percentage

- Ratios: a:b, a/b, or a to b

- Proportions: a/b = c/d

- Percentages: Percent = (Part/Whole) × 100

3. Geometry

- Perimeter and area of rectangles, triangles, circles, and trapezoids

- Circumference and area of a circle: C = 2πr and A = πr²

- Pythagorean Theorem: a² + b² = c²

- Special right triangles: 45-45-90 (1:1:√2) and 30-60-90 (1:√3:2)

- Volume and surface area of rectangular prisms, cylinders, and spheres

- Properties of parallel and perpendicular lines

- Angle relationships: complementary, supplementary, and vertical angles

4. Trigonometry (Basic)

- SOHCAHTOA (right triangles): sin(θ) = Opposite/Hypotenuse, cos(θ) = Adjacent/Hypotenuse, tan(θ) = Opposite/Adjacent

- Trigonometric ratios and inverse trigonometric functions

5. Statistics and Probability

- Mean, median, and mode

- Range and standard deviation

- Probability: P(Event) = (Number of favorable outcomes)/(Total possible outcomes)

- Independent and dependent events

6. Functions and Graphs

- Domain and range

- Evaluating and graphing functions

- Features of graphs: intercepts, symmetry, extrema, and asymptotes

- Types of functions: linear, quadratic, exponential, logarithmic

Keep in mind that the SAT is not just about formulas, but also problem-solving and critical thinking skills. Make sure you practice plenty of questions and become familiar with the way questions are framed. Good luck with your SAT prep!

8 months ago

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