Phrasing Flashcards

0
Q

N had exactly two factors

A

N is a prime

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1
Q

N has an odd number of factors

A

N is a perfect square

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2
Q

K is an x-intercept of the function F(x)

A

F(K) = 0

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3
Q

K is a y-intercept of the function

F(x)

A

F(0) = K

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4
Q

K is a multiple of N

A

N is a factor of K

N is a divisor of K

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5
Q

X^2 is an integer

A

Don’t know much…x could equal 2 or root(2)

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6
Q

Sqrt(x) = integer

A

X is an integer and perfect square

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7
Q

A two digit number has it’s digits reversed

A

If the number is AB, it used to equal 10A + B. Now it is equal to 10B + A.

Implications: difference = 9A - 9B (always a multiple of 9)

Sum = 11A + 11B (always a multiple of 11)

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8
Q

Product of two integers is odd

A

Both integers are odd

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9
Q

Product of two integers is even

A

At least one of the integers is even

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10
Q

The average of N numbers is equal to K

A

The sum of the N numbers is NK

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11
Q

Set A consists of evenly spaced numbers

A

The mean and median of set A are equal

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12
Q

The mean and median of Set A are equal

A

CANNOT conclude that Set A consists of evenly spaced numbers

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13
Q

What are non zero digits?

A

1,2,3,4,5,6,7,8,9

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14
Q

When x is divided by 2 the remainder is 1.

A

X is odd

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15
Q

What is square root of 3?

A

1.7

16
Q

What is square root of 2?

A

1.4

17
Q

What is the remainder when 19^40 is divided by 10?

A

Same as asking what is the units digit?

Answer = 1