222 algebra De mystif ieD
- Solve
3
4
2
4
16
xx+ x^216
+
−
=
−.
a. x= 4
b. x=^4
5
C. x=^5
4
D. There is no solution.
- Solve 12 −+=x 25.
a. x= 0
b. x= 4
C. x=− 4
D. There is no solution. - Solve 24 . xx−= . 0750 . 48 − . 033.
a. x=^3
8
b. x=^7
32
C. x=^9
16
D. There is no solution. - Solve for W:^45
W
+=Z.
a. W=^4 +Z
5
b. W
Z
=
−
4
5
C. WZ=+− 45
D. The equation cannot be solved for W.
- Solve ( 23 xx−+ )( ) 52 =+( xx ) 12 ( − ).
a. x=^13
4
b. x=^13
16
C. x=−^13
4
D. x=^13
10