Find the perimeter of JKL

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0