0
Sure you can substitute that. You just have to be careful to avoid division by zero - but the same may happen with other numbers as well. For example:
- If you have a denominator "x", then you can't substitute "x" by zero.
- If you have a denominator "x - 1", then you can't substitute "x" by 1, because if you do, the denominator will be zero.
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What is y-5 -5?
0
How do you write -8 increased by the quotient of 13 and a number as variable expression?
-8 + 13/N, where N ≠0.
What is 20 plus 40x divided by 20x and are there any restrictions on the variable?
1/x + 2, provided x is not 0. If x is 0, the expression is undefined.
Can a term in an algebraic expression be zero?
Yes they can, for example quadratic expressions are often written in the form, ax^2+bx+c, where x is a variable, and a,b,c are constants. If you have an expression such as 5x^2 - 3, then clearly a=5, c=-3 and b=0
What is the difference between no solution and undefined?
undefined means you can not do the operation (5/0 is undefined) no solution refers to an equation not having an answer. a solution is a number which you can plug into the variable of an equation and get a true statement. So having no solution means there is no number which you can plug in and get a true statement. As a fraction is not an equation, but an expression it is not right to say that 5/0 has no solution. There is no variable in 5/0, nothing to plug into to get a true or false statement.
