Need Help on this economics question please?

Question

An increase in demand, with no change in supply, will lead to ________ in equilibrium quantity and ________ in equilibrium price.

an increase; an increase

an increase; a decrease

a decrease; an increase

a decrease; a decrease

Answer 1

An increase; an increase - both equilibrium price and quantity will rise in this case.

Answer 2

Increase, Increase.  The more you increase demand, the more quantity increases.  In addition, when demand increases (and shifts right), prices change too.  They go up.. (Equilibrium price will head up as well).  Hope that helps, good luck! :)

Answer 3

A. Increase in quantity and increase in price because demand curve shifts out.