Math 017 Materials With Exercises

Qc) P2Ex.5 Let x 3 a 2, y 2a1,z 2 a . Find a , so the following are true (Hint: Substitutealgebraic expressions for x, y,and z . Then solve for a ).a) x y zb) 2 x y zx y zc) 8 2 4x 1Ex.6 Does the following statement make sense: “Solve 5y2xEx.7 Solve for x . a) 72 xb) bafor x“? Why or why not?Ex.8 Solve for x . a) x 3 8b) x a bEx.9 Solve for x . a) 3x 7 11b) ax b cEx.10 Solve for x . a) 5x 2x 6 0 b) ax bx c 0Ex.11 Solve for x . a) 4x 2( x 1)b) ax b( x c)Ex.12. Solve for the indicated variable. Simplify your answer whenever possible.ba) x a for x b) ac for baa bc) for a d) ax b 4bfor a3b c2ae) 2 3a for u f) abc (ac) for bu2mg) 4 n for m h) 2x y t 3xfor y2n33i) x xy 2x for y j) AX A 1 X for A2k) s( x 1) s for x l) ax by 3ax 4byfor am) 3 ( v t) s for v n) ax x( a 2) 1for xm 2no) 2n m for xxp) mb 2mb 3bfor mEx.13 Solve the following equationx d e forya) d b) x c) yEx.14 Solve the following equation3 at b 2at t for93