64. b.Statement (1) contains two variables; you would need more information to solve for z. Statement(2) can be put into the form z2 – z– 12 = 0. This equation can be solved by either factoring or by usingthe quadratic formula, and is sufficient to answer the question.

B.STATEMENT (1) CONTAINS TWO VARIABLES; YOU WOULD NEED MORE INFORM...

GMAT EXAM SUCCESS EPISODE 2 PART 11 PPS

64. b.Statement (1) contains two variables; you would need more information to solve for z. Statement(2) can be put into the form z

– z– 12 = 0. This equation can be solved by either factoring or by usingthe quadratic formula, and is sufficient to answer the question.