Grid-In Drill 1: No Calculator Section
Work these Grid-Ins without your calculator using the skills you’ve learned so far. Answers and
explanations can be found on this page.
16 .If ab = 4, and 3b = 2, what is the value of a ?
17 .If 4x + 2y = 24 and = 7, what is the value of x ?
18 .If = 4, what is the value of x ?
19 .If –1≤ a≤ 2 and –3≤ b≤ 2, what is the greatest possible value of (a + b)(b – a) ?