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In this quiz, you will get to know about the variable expressions. You will learn about writing the variable expressions, evaluating the expressions, identifying terms, and many more. You will also learn about the properties of addition and multiplication through these variable expressions.
Write an expression for the sequence of operations described below.
multiply 7 by t, then subtract s from the result
7.t - s
7.s - t
t - 7.s
t - s
Last month, the kitten weighed 3 pounds. Since then, it has gained p more pounds. Choose the expression that shows how many pounds the kitten weighs now.
3 + p
3 - p
p
p - 3
Evaluate the expression for s = 3.
4.s - 5 = ##7##
Evaluate the expression for s = 7 and p = 5.
2.s.p - 3.p + 2.s = ##69##
If x = 12, Evaluate √(5.x + 4).
6
7
8
Which of the following terms are in this expression? Select all that apply.
1 + 4sp - 3s + 4p
3
3p
4sp
1
Which property of multiplication is shown?
6 × (1 × 2) = (6 × 1) × 2
commutative
associative
Is 3 a factor of 9w+21?
yes
no
Which expression is equivalent to 6(2n)?
12 + n
6n
12n
6 + n
Select the expressions that are equivalent to 5(n+1).
5n
n + 5
5n + 1
5n + 5
