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Algebra 1; Unit 1 Flashcards | StudBud
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Algebra 1; Unit 1
Algebra 1; Unit 1
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#Algebra 1#Unit 1 equations and inequalities#Grade 7#
Flashcards
52 cards
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Questions
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1
A mathematical sentence that uses an equal sign.
Open Sentence
Exponent
Simplify
Equation
2
What is the inverse operations of subtraction.
Addition
Operation
Subtraction
Inverse Operation
3
What is an algebraic expression.
May contain variables, constants, and operations.
Contains only constants and operations.
4
What are Infinite Solutions
Any value for the variable would make the equation true.
Opposite operations that undo each other.
Terms whose variables and their exponents are the same.
5
5t+1<-2t-6
1
7
-7
-1
6
-t - 7 = 10
17
-10
-17
10
7
A symbol, usually a letter, that represents one or more numbers.
Open Sentence
Variable
Equation
Exponent
8
What is a variable
A mathematical sentence that contains an equal sign.
A letter or symbol used to represent a number.
A number, a variable, or a product of numbers and variables.
9
The counting numbers 1, 2, 3......
Rational Numbers
Whole numbers
Real Numbers
Natural Numbers
10
What is a proportion
Figures that have exactly the same shape but not same size.
A statement that two ratios are equivalent.
11
What is a formula
A mathematical statement that two expressions are equal.
States a rule for a relationship among quantities.
A letter/symbol used to represent a value that can change.
12
What is the meaning of add.
Separate into equal groups
Put together equal groups
Find how much more or less
Put together, combine
13
4m-3<2m+6
-11/4
-9/2
11/4
9/2
14
-42 +10 = -52
True
False
15
The non-negative integers 0, 1, 2, 3, ...
Whole Numbers
Coefficient
Algebraic Expression
Constant
16
What is a Term
A mathematical sentence that contains an equal sign.
A letter or symbol used to represent a number.
A number, a variable, or a product of numbers and variables.
17
What are Similar figures?
Figures that have exactly the same shape but not same size.
A statement that two ratios are equivalent.
18
y=4y+18
9/2
6
-6
-9/2
19
7k - 8k = -15
15
7
-15
12
20
What are Like Terms
Opposite operations that undo each other.
Terms whose variables and their exponents are the same.
A mathematical statement in which two things are equal.
21
The distance that a number is form zero on a numbers line.
Natural Numbers
Irrational Numbers
Absolute Value
Integers
22
To replace an algebraic expression with its simplest name or form.
Absolute Value
Irrational Numbers
Simplify
Integers
23
1/2+1/5
7/10
135
6
18
24
if x = -3 and y = -5, what does 3x - 2y equal?
1
-1
-19
19
25
Substitute a given number for each variable, and the simplify.
Order of Operations
Variable
Evaluate
Substitute
26
Cody earns 52.50 in 7 hours. Find the unit rate
7.50
7.25
7.00
6.50
27
What is a constant
Is a mathematical statement that two expressions are equal
A letter/symbol used to represent a value that can change.
Is a value that does not change.
28
Replacing a variable with a given value to simplify or solve a problem.
Substitute
Equation
Open Sentence
Variable
29
What is the meaning of Multiply
Find how much more or less.
Put together, combine.
Put together equal groups.
Separate into equal groups.
30
What is a unit rate.
Is a rate with a second quantity of 1 unit.
Is a ratio of two quantities with different units.
31
6 + 104 =
108
110
18
15
32
What is a numerical expression
Contains only constants and operations.
May contain variables, constants, and operations.
33
A real number that can be written as the quotient of two integers.
Real numbers
Whole Numbers
Rational Numbers
Algebraic Expression
34
Whole numbers and their opposites...-3, -2, -1, 0, 1, 2, 3, ...
Irrational numbers
Rational Numbers
Natural numbers
Integers
35
A number that shows repeated multiplication.
Simplify
Exponent
Integers
Absolute Value
36
12(9)
6
18
7/10
108
37
Common order followed when simplifying an expression.
Order of operations
Substitute
Equation
Variable
38
What are Inverse operations
Terms whose variables and their exponents are the same.
Opposite operations that undo each other.
A mathematical statement in which two things are equal.
39
A number that is either rational or irrational.
Algebraic Expression
Real Numbers
Coefficient
Whole Numbers
40
What is the simplified form of the expression 6(4x - 7)?
24x - 7
10x - 1
24x - 42
24x + 42
41
An equation that contains one or more variables.
Simplify
Open Sentence
Exponent
Absolute Value
42
What is the meaning of Divide
Find how much more or less
Separate into equal groups
Put together equal groups
Put together, combine
43
2(k-3)>6+3k-3
3
-4
-3
-9
44
What is an equation
The set of all values which make an equation true.
A number, a variable, or a product of numbers and variables.
A letter or symbol used to represent a number.
A mathematical sentence that contains an equal sign.
45
What is the Inverse Operation of addition
Addition
Inverse Operation
Subtraction
Operation
46
What is a mathematical phrase that has a variable and can include numbers and operations.
Evaluate
Ceofficient
Constant
Algebraic Expression
47
What is a proportion
set of all values when substituted to make an equation true.
replacing a variable in an expression with its actual value.
An equation which states that two ratios are equal.
48
A numbers that cannot be written as the quotient of two integers.
Natural Numbers
Irrational Numbers
Real Numbers
Rational Numbers
49
What is a rate
Is a ratio of two quantities with different units.
Is a rate with a second quantity of 1 unit.
50
What is the meaning of Subtract
Put together equal groups
Separate into equal groups
Find how much more or less
put together, combine
51
The numeric factor when a term has a variable.
Coefficient
Order of Operations
Evaluate
Constant
52
A term that has no variable factor
Constant
Evaluate
Order of Operations
Substitute
