Write the slope of a line perpendicular to y=-6x+4. Explain why it is perpendicular

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?