Q:

what is the answers to the question: Which rational expression is undefined when x = 0?

Accepted Solution

A:
Answer:option D[tex]\frac{4x-8}{-2x^2}[/tex]Step-by-step explanation:An expression is undefined when you get division by zero or in simple words when denominator is zero.Now we will solve each expression one be one by plugging value of x = 0 1)[tex]\frac{5x^2-4}{3x-3}[/tex] [tex]\frac{5(0)-4)}{3(0)-3}[/tex] -4/-3 = 4/32)[tex]\frac{6x^2}{9x-3}[/tex][tex]\frac{6(0)}{9(0)-3}[/tex]0/-3 = 0 3)[tex]\frac{8x+6}{-x^2+1}[/tex][tex]\frac{8(0)+6}{-0+1}[/tex]6/164)[tex]\frac{4x-8}{-2x^2}[/tex][tex]\frac{4(0)-8}{-2(0)}[/tex]-8/0undefined