Find the domain of the rational expression: x-5/3x-6

Assemble the proof by dragging tiles to the statements and reasons column

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)