Unit 2 Vocabulary Flashcards

1
Q

Translate into an equation: “Five times the difference of twice a number and three, decreased by the sum of the number and eight, equals thirteen

A

5(2n - 3) - (n + 8) = 13

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2
Q

What are the three steps to solve a Multi-Step equation?

A
  1. Distribute (if necessary)
  2. Combine Like Terms
  3. Solve
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3
Q

What are the four steps to solve a Multi-Step equation with variables on both sides?

A
  1. Distribute (if necessary)
  2. Combine Like Terms
  3. Move variables to the same side.
  4. Solve
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4
Q

When 4 equals 2, how many solutions are there?

A

No Solution because the statement will always be false

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5
Q

When 5 equals 5, how many solutions are there?

A

Infinitely Many because it the statement will always be true

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6
Q

When x = 8, how many solutions are there?

A

One, it is that x will always equal 8

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7
Q

What are the three seteps to solve a proportion?

A
  1. Cross Multiply
  2. Distribute (if necessary)
  3. Solve
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8
Q

What are the 5 properties of equality?

A

Addition, Subtraction, Multiplication, Division, and Distribution

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9
Q

When solving an absolute value equation what is always the first step?

A

To re-write the equation so the absolute value piece is isolated on one side

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10
Q

What are Literal Equations?

A

Equations with multiple variables

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11
Q

To solve literal equations, what hints are helpful to know?

A

To solve by applying PEMDAS backwards and remove fractions by multiplying by the reciprocal

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12
Q

What does consecutive mean?

A

One after another

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13
Q

Sum means to …

A

Add

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14
Q

Difference means to …

A

Subtract

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15
Q

Product means to …

A

Multiply

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16
Q

Quotient means to …

A

Divide

17
Q

Less Than means to …

A

Subtract but swap the order given

18
Q

More Than means to …

A

Add but swap the order given

19
Q

Twice or double means to …

A

Multiply by 2

20
Q

Triple means to …

A

Multiply by 3

21
Q

Is means …

A

Equals

22
Q

Interval Notation is …

A

Another way to express the answer to an inequality

23
Q

Parenthesis means …

A

“not included” or “open”

24
Q

Brackets means …

A

Included or “closed”

25
Q

Parenthesis uses what kind of circle?

A

Open

26
Q

Brackets uses what kind of circle?

A

Closed

27
Q

When putting an inequality symbol into interval notation, what is used with them?

A

Parenthesis

28
Q

What is a compound inequality?

A

Two inequalities (or more) joined together with an “and” or “or”

29
Q

“OR” Inequalities tend to graph in what direction?

A

Away from eachother

30
Q

“AND” Inequalities tend to graph in what direction?

A

Towards eachother

31
Q

When solving inequalities what happens when you multiply or divide by a negative number?

A

The inequality sign flips and points in the other direction