book Maths Puzzle Numerical Ability

factor the quadratic expression completely, and find the roots of the expression.

20x^2 + 13x + 2

Read Solution (Total 0)

book Other Question

This is from page 100, #26 of Dr. Rapalje's Intermediate Algebra book- One Step at a Time.

(x + y)to the 3rd power = (x + y) (x + y) (x + y)
= (x + y)
I need to know the symbols that is used to show the relationship between 2 intersecting lines. I know if the lines (AB and DC) are parallel the answer would be AB // DC, but what