What is the factored form of 9x2 + 21x + 10?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

What are “like terms”? why can we only add like terms?

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ