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Variables and Expressions
Variables and Expressions
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Introduce the basics of Grade 8 Algebra. Define basic vocabulary.
Flashcards
24 cards
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Questions
24
Answers
1
How many constants are the expression?
1
4
3
2
2
Letter or symbols that represent an unknown value is a...
coefficient
variable
term
constant
3
Write the expression in exponential form.
m - 5
m5
m + 4
5m
4
Math consists of how many operations?
1
2
3
4
5
Write the expression in exponential form.
3.5k3
6.5k
3.5 + 3k
3.5 + k3
6
Identify the variable(s) in the expression.
x4
x3, x
x3
x
7
8
2
can also be called a...
variable
term
coefficient
8
Identify the constant(s) in the expression.
4, 8
5, 12
4, 12, 8, 5
4x3, 12, 8x, 5
9
A number written using a base and exponent is in...
Expanded Form
Exponential Form
Decimal Form
Standard Form
10
Identify the variable(s) in the expression.
x, x2
x2
x
11
Identify the variable(s) in the expression.
x3
x, x3
x
12
If you don't ‘see’ a coefficient, then it is...
-1
There is no coefficient.
0
1
13
A number written on its own is a...
coefficient
variable
constant
term
14
Identify the coefficient(s) in the expression.
4x3, 12, 8x, 5
12, 5
8, 4
4, 12, 8, 5
15
A constant, variable or coefficient and variable
separated
by operational signs is a...
constant
coefficient
term
variable
16
How many coefficients are in the expression?
3
3
2
1
17
Identify the numerical factor in the term 4x
3
.
x
4
3
x3
18
T/F: An expression can have multiple constants.
True
False
19
Identify the term(s) in the expression.
5, 3
5x, 3x2, 10
10
5, 3, 10
20
How many terms are in the expression?
3
2
4
1
21
T/F: An expression can multiple coefficients.
True
False
22
A(n) ______ is the numerical factor of a term that contains a variable.
constant
variable
term
coefficient
23
T/F: An expression can have multiple variables.
True
False
24
A number multiplied by a variable is a...
term
constant
coefficient
variable
