Question

evaluate the following expression using x = - 1 ,y = - 2, a=1,b=2,c=-3
show your solution


1. 2xy
2. a-b^2-c

seryosohin ang sagot​

Answer 1

1. Identify the terms, their coefficients for each of the following expressions: (i) 5xyz2 – 3zy. (ii) 1 + x + x2. (iii ) 4x2y2 – 4x2y2z2 + z2. (iv) 3 – pq + qr – rp. (v).