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Algebra 1 1-1 Guided Practice: Variables and Expressions
By Sandra Miller
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Last updated over 5 years ago
12 questions
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Question 1
1.
Problem 1 Got it?
What is an algebraic expression for 18 more than a number
n
?
n - 18
18 - n
n + 18
18n
Question 2
2.
Problem 2 Got it?
What is an algebraic expression for
6 times a number n
?
Enter only the expression, in simplest form.
Question 3
3.
Problem 2 Got it?
What is an algebraic expression for
the quotient of 18 and a number n
?
Enter only the expression, in simplest form.
Question 4
4.
Problem 2 Got it?
Reasoning:
Do the phrases
6 less a number
y
and
6 less than a number
y
mean the same thing? Explain.
Yes, they both mean the same thing. They can also both be represented by the expression
y
- 6
.
No, they do not both mean the same thing.
6 less a number
y
can be represented by the expression
6 -
y
.
6 less than a number
y
can be represented by the expression
y
- 6
.
Question 5
5.
Problem 3 Got it?
What is an algebraic expression for
8 less than the product of a number x and 4
?
x/4 + 8
8 - 4x
4x - 8
8(x + 4)
Question 6
6.
Problem 3 Got it?
What is an algebraic expression for
twice the sum of a number x and 8
?
2x + 8
x(x + 8)
2(x + 8)
x + 2(8)
Question 7
7.
Problem 3 Got it?
What is an algebraic expression for
the quotient of 5 and the sum of 12 and a number x
?
A
B
C
D
Question 8
8.
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression
x
+ 8?
the product of a number x and 8
the sum of a number x and 8
the number x less 8
the number x times 8
Question 9
9.
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression 10
x
+ 9?
the sum of ten times a number
x
and 9
a number
x
more than the product of 10 and 9
the sum of a number
x
and 9 times 10
ten times the sum of a number
x
and 9
Question 10
10.
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression?
the quotient of a number
n
and 3
the sum of a number
n
and 3
the product of a number
n
and 3
the difference of a number
n
and 3
Question 11
11.
Problem 4 Got it?
What word phrase can you use to represent the algebraic expression 5
x
- 1?
five times a number
x
plus 1
the sum of 5 and the product of 1 and a number
x
five times a number
x
less 1
five more than 1 times a number
x
12
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Question 12
12.
Problem 5 Got it?
Suppose you draw a segment from any one vertex of a regular polygon to the other vertices. A sample for a regular hexagon is shown.
Use the table to find a pattern.
A
B
C
D
