which expression does nit belong to the group? A.4 B.4/2x+3 C.x²-1 D.x+1/2
.which of the following is a rational expression? A.1/x-2+5 B.3x²-√9x+1 C.x²-√2x+5 D.4x⅔
.what is an undefined value? A.a value that makes the denominator equal to 0 B.a number that makes the numerator equal to 0 C.the solution D.all real numbers .
for what value of x will make the expression x-3/2x undefined? A.x=3 and x =0 B.x=3 C x=3 D.x=0 .
how many restrictions does the rational expression 2x/(x+2)(x-2) have? A.one restriction on X B.two restrictions on X C.three restrictions on X D.four restrictions on X.
.which of the following statement is true regardng the non-permissible value of X in the rational expression x²+x-1/2x-5? A.5 is non permissible because it makes the denominator equal B.-5 is non permissible because it makes the denominator equal to zero C.5/2 is non permissible because it makes the denominator equal to zero D.-2/5 is non permissible because it makes the denominator equal to zero​