Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Algebra I Chapter 2 > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

equation

A

a mathematical sentence that shows that two expressions are equivalent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

solution of an equation

A

a value of values that make the equation or inequality true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Additional Property of Equality

A

For real numbers a, be, and c, if a = b, then a+c=b+c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Subtraction Property of Equality

A

If a, b, and c are real numbers and a=b, then a-c=b-c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Opposites

A

The opposite of a number a, denoted -a, is the number that is the same distance from zero as a, on the opposite side of the number line. The sum of opposites is 0.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Additive Inverses

A

The opposite of a number. Two numbers are additive inverses if their sum is zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Identity element

A

An equation that is true for all values of the variables.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Multiplication Property of Equality

A

If a, b, and c are real numbers and a=b, then ac=bc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Division Property of Equality

A

For real numbers a, b, and c, where c does not =0, if a =b, then a/c=b/c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Distributive Property

A

For all real numbers a, b, and c, a(b+c) = ab+ac, and: (b+c)a=ba+ca.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Least common denominator

A

The least common multiple of two or more given denominators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Greatest common factor

A

The product of the greatest integer and the greatest power of each variable that divides evenly into each term of the expression.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

identity

A

An equation that is true for all values of the variables.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

contradiction

A

An equation that has not solutions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

ratio

A

A comparison of two numbers by division

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

rate

A

A ratio that compares two quantities measured in different units.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

scale

A

The ratio of any length in a drawing to the corresponding actual length.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

unit rate

A

A rate in which the second quantity in the comparison is one unit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

conversion factor

A

The ratio of two equal quantities, each measured in different units.

20
Q

proportion

A

An equation that states that two ratios are equal

21
Q

cross product

A

In the statement a/b=c/d, the product of the means bc and the product of the extremes ad are called the cross products

22
Q

means

A

The sum of all the values in a data set divided by the number of data values. Also call the average.

23
Q

extremes

A

In the proportion a/b=c/d a and d are the extremes. If the proportion is written as a:b = c:d, the extremes are in the first and last positions.

24
Q

scale drawings

A

A drawing that uses a scale to represent an object as smaller or larger than the original object.

25
Q

scale model

A

A three-dimensional model that uses a scale to represent an object as smaller or larger than the actual object.

26
Q

similar

A

Two figures that have the same shape, but not necessarily the same size.

27
Q

corresponding sides

A

Sides in the same relative position in two different polygons that have the same number of sides.

28
Q

corresponding angles

A

Angles in the same relative position in two different polygons that have the same number of angles.

29
Q

indirect measurement

A

A method of measuring an object by using formulas, similar figures, and/or proportions.

30
Q

scale factor

A

In a dilation, the ratio of a linear measurement of the image to the corresponding measurement of the preimage.

31
Q

percent

A

A ratio that compares a number to 100

32
Q

is

A

equal

33
Q

of

A

multiply

34
Q

part

A

divide

35
Q

commission

A

Money paid to a person or company for making a sale; usually a percent of the sale amount

36
Q

interest

A

The amount of money charged for borrowing money or the amount of money earned when saving or investing money

37
Q

sales tax

A

A percent of the cost of an item that is charged by governments to raise money

38
Q

principal

A

An amount of money borrowed or invested

39
Q

tip

A

An amount of money added to a bill for service; usually a percent of the bill.

40
Q

whole

A

The set of natural numbers and zero

41
Q

percent change

A

An increase or decrease given as a percent of the original amount. Percent increase describes an amount that has grown. Percent decrease describes an amount that has been reduced.

42
Q

percent increase

A

An increase given as a percent of the original amount

43
Q

percent decrease

A

A decrease given as a percent of the original amount

44
Q

discount

A

An amount by which an original price is reduced

45
Q

markup

A

The amount by which a wholesale cost is increased

Algebra I Chapter 2 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions