10. Which of the following is expression with one variable (a) y + 1 (b) xty-s (c) x+y+z (d) 1
Answers
Answered by
0
Answer:
a) y+1
Explanation:
As it as only one variable y.
In (b) and (c) there are 4 and 3 variables respectively.
and, in (d), there is number 1 which is a CONSTANT.
Answered by
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Answer:
a) y + 1
Explanation:
Variable: In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation that may change within the context of a mathematical problem.
a) y + 1 is the answer
Because y is the only variable here
b) xty-s is not the answer
Because it has more than one variable x,t,y&s.
c) x+y+z is not the answer
Because it has more than one variable - x,y & z.
d) 1 is not the answer
Because does not have any variable. It has a constant
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