Math 017 Materials With Exercises

Ex.4 Does x 7 make the statement 2(x 1) x 7 true or false? Does that mean that 7 is, or isnot a solution of 2(x 1) x 7 ?1Ex.5 Determine if any of the following numbers 2, 16, , 2 is a solution of the equation.2 x 4 16. How about the equation x 4 16?Ex.6 Is x 1a solution ofa) ( x)( x) 2b) x x 2Ex.7 Is x 2 a solution ofa) 6 x 36b) 6 x 36c) ( 6)x 362Ex.8 Does a make the following statements true or false?54a)2 3 a b) a 125 5 c) a 12 5d) a 5a25Ex.9 Determine if y 0. 3 is a solution of any of the following equations.a) 0.027 yy 3b) 1 y 726c) ( y 0.7) 13Ex.10 Determine whether the following mathematical sentences represent an equation or an algebraicexpression. In the case of an equation, determine whether or not x 3is a solution of it.xxa)b) 0x 3x 3 c) x x2 12d) x 2 2xe) x 2 2xf) x3 x2 xEx.11 Determine whether the following mathematical sentences represent an equation or an algebraicexpression. In the case of an equation, determine whether or not x 0. 6 is a solution of it.22a) 10xb) 3.6 10xc) (0.5 )2 2 x 0. 01d) ( 0.5 x)12 x 0.6e) 20f) 0. 6 xx85