math for it

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/42

encourage image

There's no tags or description

Looks like no tags are added yet.

43 Terms

1
New cards

Fr decimal to binary/octal/hex

Multiply by 2/8/16 fractional part until fr part doesn't equal 0 and the result is decimal part from left to the right

2
New cards

How to convert into decimal

Multiply by base ** index (-> 0)

3
New cards

Powerset

the set of all subsets, including the empty set


<p>the set of all subsets, including the empty set</p><p></p>
4
New cards

Subset

Every element of A is inside B

5
New cards

Proper subset

Subset and A!=B

6
New cards

A \ B or A - B

Removing B elements from A

7
New cards

U \ A

A' A**c

8
New cards

что за знак ∧

and

9
New cards

что за знак ∨

or

10
New cards

XOR ⊕

как or но когда одинаковы всегда FALSE

11
New cards

Implication

→

T → F ВСЕГДА FALSE все остальое TRUE ДАЖЕ F → T

Keyword: whenever, only if

  • \(\to\) — «если ..., то ...» (IF ... THEN ...).

  • \(p\) — сервер работает в сети.

  • \(q\) — соединение с базой данных активно.

Ответ: If the server is online, then the database connection is active.

12
New cards

Biconditional Statement

<\->

True when TT и FF

13
New cards

Operator Precedence

here

<p>here</p>
14
New cards

Tautology

A statement that is always True in every row of its truth table

15
New cards

Contradiction

A statement that is always False in every row of its truth table

16
New cards

Contingency

A statement that is neither a tautology nor a contradiction (has both T and F

entries).

17
New cards

The Vertical Line Test (VLT)

A graph represents a function if and only if no vertical line intersects the graph at more
than one point

18
New cards

Even Function

f (−x) = f (x)

19
New cards

Odd Function

f (−x) = −f (x)

20
New cards

The average rate of change of a function y = f (x)

/

<p>/</p>
21
New cards

куда y = f (x) − c,

вниз

22
New cards

куда y = f (x − c)

вправо

23
New cards

reflecting graphs across x-axis

f(x), -f(x) |

24
New cards

reflecting graphs across y-axis

f(x), f(-x) —

25
New cards

the Inverse of a Function

1. Замени f(x) на y

2. Поменяй местами x и y

3. Реши уравнение относительно y

26
New cards

формула сложных процентов (Compound Interest Formula).

.

<p>.</p>
27
New cards

формула углового коэффициента прямой (Slope of a Line).

\

<p>\</p>
28
New cards

quadratic function standard form

vertex(h, k)

<p>vertex(h, k)</p>
29
New cards

x0

\

<p>\</p>
30
New cards

формула непрерывного начисления сложных процентов (Continuous Compound Interest Formula).

\

<p>\</p>
31
New cards

proposition

Это предложение, про которое можно однозначно сказать: оно True (истина) или False (ложь).

32
New cards
<p>напиши через <sup>→</sup></p>

напиши через →

\

<p>\</p>
33
New cards
<p>преобразуй используя базовые операторы</p>

преобразуй используя базовые операторы

\

<p>\</p>
34
New cards
<p>преобразуй используя базовые операторы</p>

преобразуй используя базовые операторы

\

<p>\</p>
35
New cards

Условие параллельности прямых

m1 = m2

36
New cards

Условие перпендикулярности прямых

m1 * m2 = -1

37
New cards

Уравнение прямой через точку

\

<p>\</p>
38
New cards

Уравнение прямой через две точки

\

<p>\</p>
39
New cards

stretched / expanded / elongated vertically by n (n > 1)


n будет cнаружи

<p>n будет cнаружи</p>
40
New cards

stretched / expanded / elongated horizontally by n (0 < n < 1)

n будет внутри

<p>n будет внутри</p>
41
New cards

Shrinked / compressed / contracted / reduced horizontally by n (n > 1)

n будет внутри

<p>n будет внутри</p>
42
New cards

Shrinked / compressed / contracted / reduced vertically by n (0 < n < 1)

n будет снаружи

<p>n будет снаружи </p>
43
New cards

Find the area of the triangle bounded by line and the coordinate axes.

½ (x-intercept * y-intercept)

x-intercept: Задаем y = 0

y-intercept: Задаем x = 0