Math 017 Materials With Exercises

Student C gave the answer:Who was right? Why?s tx x xEx.20 You know that . By placing the minus sign differently, write each expressiony y yin two additional equivalent ways. Use parentheses when needed.2a2a ca) b)b 2dEx.21 Write each of the following expressions in their equivalent form as a single fraction. Do notsimplify.2 42 1a) x yb) x y3 33 31 yc) 2x 7 d) 3 1x y3 3t tx y1 ne) 2 3f) 2t tk t k ta b cd 12 a m ng) 3 2h) 3t txy xyEx.22 Fill in the blanks to make a true statement.3xa) x ____________y3x1c) ____________y y3xb) 3__________ya b 1d) _________y yEx.23 Perform all numerical operations that are possible. If none are possible, write “not possible”.a) 4 a 8b) 4a( 8)8ac) 42d) 8 x2e) 8x f) 4 2xg) ( 4 2) xh) ( 2x)m 1 i) ( 5 2)j) 2x2 2 2mk) 0.1x(10y)l) 5 2m) 10 xn) 2(6 5) x5212yo) 4 xp)5 2xz1 13bdq) x r)2 29ac35