6. If P(6, -2). Q(-2, 8). R(-4, 3), and S(-9, y). find the value of y' so that PQ is perpendicular to RS.

An is a number that is written without a component. it is a number that is either or . an exponent is a or a number that another number is being to. the number that is being raised to a is called the . the or power tells you how many times to the base by . if an exponent is fractional then ask yourself the question: what when multiplied by itself a certain number of times will equal the number?