Page 55 - 091math-wb-w6-(equations&inequalities-1)

Workbook

x
19) If 3  16, then what is the value of 3 2 x 3y 3 . 3 y 5  3 5 x 3 y 10 ?
3 5 3x 3 . 7 2 y 3 x  y  10

 5  x
 2  
x
20) If  3   25 , then what is the value of 5 ?
15 x  15 x  1 4

 6  y
x
x
21) If  1       32 , then what is the value of y ?
y
3

 2 x  

x
x
22) If 5  15 x 1  6 15  4 5 and  Zy  yє Z and y 2  5 y  x y 2 1   1, then what is the
x
+
value of x  y ?

23) If 2 a1  x and 3 a1  y , then simplify 324  a 1 .
8xy 3

55 091math-wb-w6-(equations&inequalities-1)