Math formulas Flashcards

(20 cards)

1
Q

Q: What is the formula for the area of a rectangle?
A. A = 2 × (length + width)
B. A = length × width
C. A = (length × width) ÷ 2
D. A = length + width

A

Answer: B. A = length × width

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2
Q

Q: How do you find the area of a triangle?
A. A = base × height
B. A = 2 × base × height
C. A = 1/2(Base x Height)
D. A = base + height

A

Answer: C. A = 1/2(Base x Height)

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3
Q

Q: What is the formula for the circumference of a circle?
A. C = 2πr
B. C = πr²
C. C = πd²
D. C = πr

A

Answer: A. C = 2πr

Also C=2πr
(π= 3.14)

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4
Q

Q: How do you calculate the volume of a rectangular prism?
A. V = length + width + height
B. V = length × width × height
C. V = (length × width) ÷ height
D. V = 2 × (length + width + height)

A

Answer: B. V = length × width × height

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5
Q

Q: What is the formula to calculate the slope of a line?
A. slope = (y₂ - y₁) ÷ (x₂ - x₁)
B. slope = (x₂ + x₁) ÷ (y₂ + y₁)
C. slope = y × x
D. slope = (y₂ + y₁) ÷ (x₂ + x₁)

A

Answer: A. slope = (y₂ - y₁) ÷ (x₂ - x₁)

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6
Q

Q:How do you calculate the average (mean) of a set of numbers?
A. Sum of numbers × number of numbers
B. Sum of numbers ÷ number of numbers
C. (Largest number - smallest number) ÷ 2
D. Product of numbers ÷ number of numbers

A

Answer: B. Sum of numbers ÷ number of numbers

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7
Q

Q: What is the formula for the Pythagorean theorem?
A. a² + b² = c²
B. a + b = c
C. a² - b² = c²
D. a² × b² = c²

A

Answer: A. a² + b² = c²

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8
Q

Q:What is the formula to convert Fahrenheit to Celsius?
A. C = (F - 32) × 5 ÷ 9
B. C = (F + 32) × 5 ÷ 9
C. C = (F - 32) × 9 ÷ 5
D. C = F × 9 ÷ 5 + 32

A

Answer: A. C = (F - 32) × 5 ÷ 9

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9
Q

Q: What is the formula for the area of a parallelogram?
A. A = base × height
B. A = 2 × (base + height)
C. A = base + height
D. A = ½ × base × height

A

Answer: A. A = base × height

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10
Q

Q: What is the formula for the perimeter of a square?
A. P = 4 × side
B. P = side²
C. P = 2 × (length + width)
D. P = side × height

A

Answer: A. P = 4 × side

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11
Q

Q: What is the formula for the volume of a cylinder?
A. V = πr²h
B. V = 2πrh
C. V = πrh
D. V = 2πr²h

A

Answer: A. V = πr²h

(π= 3.14)

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12
Q

Q: What is the formula for the area of a square?
A. A = 4 × side
B. A = side²
C. A = side × height
D. A = 2 × (side + height)

A

Answer: B. A = side²

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13
Q

Q: What is the formula for the area of a circle?
A. A = 2πr
B. A = πr²
C. A = πd
D. A = πr × height

A

Answer: B. A = πr²

(π= 3.14)

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14
Q

Q: What is the formula for the perimeter of a rectangle?
A. P = length × width
B. P = 2 × (length + width)
C. P = length + width
D. P = 4 × length

A

Answer: B. P = 2 X (length x width)

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15
Q

Q: What is the basic formula that relates distance, rate, and time?
A. Distance = Rate + Time
B. Distance = Rate × Time
C. Distance = Rate ÷ Time
D. Distance = Time ÷ Rate

A

Answer: B. Distance = Rate × Time

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16
Q

Q: How do you find Rate if you know Distance and Time?
A. Rate = Distance + Time
B. Rate = Distance × Time
C. Rate = Distance ÷ Time
D. Rate = Time ÷ Distance

A

Answer: C. Rate = Distance ÷ Time

17
Q

Q: How do you calculate Time when given Distance and Rate?
A. Time = Distance × Rate
B. Time = Distance ÷ Rate
C. Time = Rate ÷ Distance
D. Time = Distance + Rate

A

Answer: B. Time = Distance ÷ Rate

18
Q

Q: What is the formula for the average (mean) of a set of numbers?
A. Average = Sum of numbers × Number of numbers
B. Average = Sum of numbers ÷ Number of numbers
C. Average = Largest number - Smallest number
D. Average = Product of numbers ÷ Number of numbers

A

Answer: B. Average = Sum of numbers ÷ Number of numbers

19
Q

Q: What is the mode of a data set?
A. The middle number when the data is ordered
B. The difference between the highest and lowest numbers
C. The number that appears most frequently
D. The sum of all numbers divided by the count

A

Answer: C. The number that appears most frequently

20
Q

Q: How do you find the median of a set of numbers?
A. The number that appears most frequently
B. The middle number when data is ordered from smallest to largest
C. The average of the highest and lowest numbers
D. The sum of all numbers divided by the count

A

Answer: B. The middle number when data is ordered from smallest to largest