SAT MATH Study guides, Class notes & Summaries

integer - the natural numbers, their opposites, and zero sum - add product - multiply difference - subtraction quotient - division remainder - Amount left over after dividing a number divisor - A number by which another number is divided

quadratic formula - correct answer [-b ± √(b² - 4ac)] / (2a) slope formula - correct answer (y₂- y₁) / (x₂- x₁) integers - correct answer ..., -3, -2, -1, 0, 1, 2, 3, ... rationals - correct answer fractions (anything expessable as a ratio of integers) reals - correct answer integers, rationals, plus special #s (like √2 or pi) order of opperations - correct answer PEMDAS (Parentheses / Exponents / Multiply / Divide / Add / Subtract) Arithmetic Sequences - correct ...

What is the ratio of 1/5 to 5? - correct answer A) 1/25 When x is divided by 7, the remainder is a prime number. Which of the following could be x? - correct answer C) 31 If 1/5m=15+3p, then 4/5m= - correct answer C) 60+12p In the figure above, square ABCD has been divided into 4 smaller squares. What is the ratio of the number of squares to the number of right triangles? - correct answer A) 5:8 If m+(m-1)+(m-1)-1+(m-2)-1+(m-3)-1=5m+y, then what is the value of y ? - correct answer A...

What is the order of operations? - correct answer Parentheses, exponents, multiplication, division, addition, subtraction What are natural numbers? - correct answer All whole numbers except for 0 How to determine if a number is prime - correct answer Approximate a square root, then try to divide the number by all prime numbers below the approximated root What are relatively prime numbers? - correct answer The greatest common factor is 1, but the numbers are not necessarily prime. For...

integer - correct answer the natural numbers, their opposites, and zero sum - correct answer add product - correct answer multiply difference - correct answer subtraction quotient - correct answer division remainder - correct answer Amount left over after dividing a number divisor - correct answer A number by which another number is divided. factor - correct answer a number or expression that is multiplied by another number or expression to get a product prime number - co...

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quadratic formula - [-b ± √(b² - 4ac)] / (2a) slope formula - (y₂- y₁) / (x₂- x₁) integers - ..., -3, -2, -1, 0, 1, 2, 3, ... rationals - fractions (anything expessable as a ratio of integers) reals - integers, rationals, plus special #s (like √2 or pi) order of opperations - PEMDAS (Parentheses / Exponents / Multiply / Divide / Add / Subtract) Arithmetic Sequences - t₁, t₁+ d, t₁+2d, ... Geometric Sequences - t₁, t₁• r, t₁• r², ... ...