SAT Math Terms & Formulas Questions with Correct Answers
(Grade A+)
Question 1: quadratic formula
Answer: [-b ± √(b² - 4ac)] / (2a)
Question 2: slope formula
Answer: (y₂- y₁) / (x₂- x₁)
Question 3: integers
Answer: ..., -3, -2, -1, 0, 1, 2, 3, ...
Question 4: rationals
Answer: fractions (anything expessable as a ratio of integers)
Question 5: reals
Answer: integers, rationals, plus special #s (like √2 or pi)
Question 6: order of opperations
Answer: PEMDAS (Parentheses / Exponents / Multiply / Divide / Add / Subtract)
Question 7: Arithmetic Sequences
Answer: t₁, t₁+ d, t₁+2d, ...
Question 8: Geometric Sequences
Answer: t₁, t₁· r, t₁· r², ...
Question 9: Factors
Answer: ex. factors of 52 are 2, 4, 13, and 26
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, Question 10: Multiples
Answer: ex. multiples of 20 are 40, 60, 80, 100, ...
Question 11: percentages
Answer: part = (percent / 100) x whole
Question 12: average
Answer: average = sum of terms / number of terms
Question 13: average speed
Answer: average speed = total distance / total time
Question 14: sum
Answer: sum = average x (number of terms)
Question 15: mode
Answer: mode = value in the list that appears most often
Question 16: median
Answer: median = middle value in the list
Question 17: fundamental counting principle
Answer: if an event can happen in N ways, and another, independent event can happen in M ways, then both
events together can happen in N x M ways.
Question 18: probability
Answer: probability = number of desired outcomes / number of total outcomes
Question 19: adding exponents
Answer: x^a · x^b = x^(a+b)
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(Grade A+)
Question 1: quadratic formula
Answer: [-b ± √(b² - 4ac)] / (2a)
Question 2: slope formula
Answer: (y₂- y₁) / (x₂- x₁)
Question 3: integers
Answer: ..., -3, -2, -1, 0, 1, 2, 3, ...
Question 4: rationals
Answer: fractions (anything expessable as a ratio of integers)
Question 5: reals
Answer: integers, rationals, plus special #s (like √2 or pi)
Question 6: order of opperations
Answer: PEMDAS (Parentheses / Exponents / Multiply / Divide / Add / Subtract)
Question 7: Arithmetic Sequences
Answer: t₁, t₁+ d, t₁+2d, ...
Question 8: Geometric Sequences
Answer: t₁, t₁· r, t₁· r², ...
Question 9: Factors
Answer: ex. factors of 52 are 2, 4, 13, and 26
Page 1
, Question 10: Multiples
Answer: ex. multiples of 20 are 40, 60, 80, 100, ...
Question 11: percentages
Answer: part = (percent / 100) x whole
Question 12: average
Answer: average = sum of terms / number of terms
Question 13: average speed
Answer: average speed = total distance / total time
Question 14: sum
Answer: sum = average x (number of terms)
Question 15: mode
Answer: mode = value in the list that appears most often
Question 16: median
Answer: median = middle value in the list
Question 17: fundamental counting principle
Answer: if an event can happen in N ways, and another, independent event can happen in M ways, then both
events together can happen in N x M ways.
Question 18: probability
Answer: probability = number of desired outcomes / number of total outcomes
Question 19: adding exponents
Answer: x^a · x^b = x^(a+b)
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