Question

1- determine o valor numérico da expresao algébrica 4x + 2 para:

a x= -2

b x= -1

c x=0

d x=4

e x=10

Answer 1

a) 4*(-2)+2 = -8+2 = -6
b) 4*(-1)+2 = -4+2 = -2
c) 4*0 +2 = 0+2 = 2
d) 4*4 +2 = 16+2 = 18
e)4*10 + 2 = 40+2 = 42