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What is an equation with a variable in the denominator called?
A fraction.
How do you move a squared variable that is the denominator to the other side of the equation?
It's the same as if you have anything else in the denominator. You can multiply both sides by the squared variable. Example (using "^" for "power"): a = 1 / b^2 Multiply both sides by b^2: Step 1: a b^2 = b^2 / b^2 Step 2: a b^2 = 1
What is an expression that may include monomials binomials and more and That has no limit to the number of terms. However the variable if applicable CANNOT appear in the denominator of a fraction.?
A polynomial.
What are the values of the variable that must be excluded from the domain x plus 8 over x 4?
Any value of x which causes the denominator to equal zero. It's kind of vague, but if you mean the denominator to be (x raised to the 4th power), then x=0 must be excluded. If you mean (x + 4) then x=-4 will make the denominator equal zero, and if you mean (x-4) then x=4 will make it zero.
How do you get the variable by its self if its in a fraction?
if you have a variable in a fraction and want it by itself you have to rearrange the equation e.g. 2x/1=1 to get the variable by itself you first need to get rid of the fraction SO... you multiply both sides by the denominator (in this case it's 1) so you end up with 2x=1 to get the variable alone you then need to get rid of the coefficient, which in this case is 2. To get rid of this coefficient you need to divide both sides by two (because the variable is multiplied by 2) so then you end up with 2x/2=1/2 We can then simplify to x=1/2.
