If the slopes of two lines are opposite reciprocals of each other, then what can be said about the lines? The lines are parallel.
The lines intersect creating acute angles.
The lines are skew lines.
The lines are perpendicular.

What is the value of x? enter your answer in the box. (cm)

Which number line represents the solution set for the inequality -1/2x> 24?

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?