# Calculus: Other Calculus Problems – #6411

Question: Determine whether the following equations have a solution or not? Justify your answer.

a) $$5{{x}^{2}}+8x+7=0$$

b) $$\sqrt{7}{{y}^{2}}-6y-13\sqrt{7}=0$$

c) $$2{{x}^{2}}+x-1=0$$

d) $$\frac{4}{3}{{x}^{2}}-2x+\frac{3}{4}=0$$

e) $$2{{x}^{2}}+5x+5=0$$

f) $${{p}^{2}}-4p+4=0$$

g) $${{m}^{2}}+m+1=0$$

h) $$3{{z}^{2}}+z-1=0$$

0