Represent the following sentence as an algebraic expression, where "a number" is the letter x.
5 is decreased by a number.
5 - x
Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.
9 less than six times a number.
6x - 9
Which expression is equivalent to m, minus, 10, m, plus, 6, m
�
−
10
�
+
6
�
m−10m+6m?
Answer
Multiple Choice Answers
1, minus, 4, m
1
−
4
�
1−4m
minus, 3, m
−
3
�
−3m
m, minus, 4
�
−
4
m−4
minus, 5, m
−
5
�
−5m
m - 4
What is the value of the expression below when y, equals, 9
�
=
9
y=9 and z, equals, 6
�
=
6
z=6?
9, y, minus, 10, z
9
�
−
10
�
9y−10z
Answer
When y = 9 and z = 6, the expression 9y - 10z becomes:
9(9) - 10(6) = 81 - 60 = 21.