When we add 5a2b+6ab+7bc+54 with 14ab+8ac+16, we will get:
b + 20ab + 7bc + 70
b + 6ab + 7bc + 8ac + 70
b + 16ab + 7bc + 8ac + 70
b + 20ab + 7bc + 8ac + 70
5a2b+6ab+7bc+54 14ab +16+8ac ________________________________ 5a2b+20ab+7bc+70+8ac
When we add 5a2b+6ab+7bc+54 to 14ab+8ac+16, we will get:
The conditions for y=ax4+bx3+cx2+dx+e to have points of inflection is
A)b2-4ac>0 B)3b2-8ac=0
C)3b2 -8ac>0 D) 3b2-8ac<0