Math 017 Materials With Exercises

Ex.4 Circle all terms that are like 6 x 2 y .6 y2 2x 2x 2 y 5 xy0.3yx23Ex.5 Circle all terms that are like a 2 b .7235(ab ) 2 a 22 bab ab772Ex.6Circle all expressions that are likey 3 x 2xxy 3 2 3 y2x 2 y 3 .x y 2 xxyyxxyEx.7Circle all expressions that are like2 5 3a b a b 2 a5 ba 5 b 3 .3 3( ab ) b3 22(ab ) aa3 b 5Ex.8If possible, add (or subtract) the following expressions. Otherwise, write “not possible”.a) 4x 2xb) a ac) y yd) a abe) st tsf) ac cac2 2g) ac 6cah) 7 mhv hmv3 5 3 5i) 2xyz y z x3 2j) 3mn 6mnmk)7 z3 5 4 5xy z xyl) 9a 2 b2 7 ab 2Ex.9 Collect like terms by first factoring x .a) 3x 4xb) 2x x3 72 3xc) x d) 0.3x 0. 5x11 227 2xxe) x f) 9 55233xx 10Ex.10 If possible, collect like terms. Otherwise, write “not possible”.a) 7x 8xb) 2a 7a1 11 3c) x xd) x x2 22 2e) ab 8baf) 4 7x3 42g) 5c 10ch) 0.4xy 0.8yxEx.11 Rewrite by grouping all like terms together. Then collect like terms. For example,3x 7y 2x 2y 3x 2x 7y 2y 5x 9y.a) 3x 8y8x 2xb) 5a 3b 2b 7ac) 2ab 4ba 2 3ab1266