Algebra 1 Flashcards

1
Q

Positive or add sign

A

+

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2
Q

Negative or subtract sign

A

-

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3
Q

Twice sign

A

×2

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4
Q

Divide sign

A

÷ or __

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5
Q

Multiply sign

A

(-) or x

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6
Q

BIRDMAS

A

Brackets
Indices
Roots
Divide
Multiply
Add
Subtract

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7
Q

What’s a term?

A

Variable or constant in an expression

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8
Q

Box/ array method

A

______
|__|__|

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9
Q

Evaluating:

A

Finding the value

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10
Q

Variable:

A

A letter where its value can change

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11
Q

Constant:

A

A number with no variable

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12
Q

How do you simplify in an algebraic expression?

A

Combine like terms

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13
Q

What is a co- efficient?

A

The number beside the letter telling us it’s value

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14
Q

What is substituting?

A

Replace variable with value

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15
Q

1st thing to do in algebraic division

A

Check order of expression

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16
Q

When a term is missing in algebraic division you…

A

Add 0x etc.

17
Q

Natural numbers:

A

All the counting numbers
Positive, whole numbers beginning with 1
N=1,2,3

18
Q

Integers:

A

Positive and negative whole numbers
Includes 0
Z=

19
Q

Real numbers:

A

Every possible number
R=1/3,ㅠ, 0.371

20
Q

Equation vs. Inequality

A

× + 3=4 is an equation
× + 3 < 7 is an inequality

21
Q

Is greater than sign

A

>

22
Q

Is less than sign

A

<

23
Q

What does ● mean on a number line?

A

Is greater/ lesser than or equal to

24
Q

Shaded in number line

A

Everything on the number line

25
Q

• just on the numbers on the number line

A

The number

26
Q

When you get a negative variable or constant

A

Divide or multiply by positive