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# ACT test formula sheet - what should I include?

Hey guys, I'm creating a formula sheet for the ACT to help me with my studying. Can you give me some suggestions on what formulas and concepts I should include? Thank you!

7 months ago

Hey there! Creating a formula sheet is a great strategy for ACT prep. Here are some key formulas and concepts you might want to include for different sections of the ACT:

Math:

1. Quadratic formula: x = (-b ± sqrt(b² - 4ac)) / 2a

2. Distance formula: d = sqrt((x₁ - x₂)² + (y₁ - y₂)²)

3. Pythagorean theorem: a² + b² = c²

4. Slope-intercept form: y = mx + b

5. Midpoint formula: M = ((x₁ + x₂) / 2, (y₁ + y₂) / 2)

6. Trigonometry ratios: sin(x), cos(x), and tan(x)

7. Area and perimeter formulas for basic shapes (rectangle, triangle, circle)

Science:

1. Understanding independent and dependent variables

2. Familiarity with experimental design and controls

English:

1. Proper punctuation usage (commas, semicolons, colons)

2. Subject-verb agreement

3. Pronoun-antecedent agreement