Aiden recorded his checking account balance each month on a graph for a year. If x represents the month and y represents his bank balance, which scenario would result in the graph having a y-intercept?

Aiden saved more money in January than in March.

Aiden ended the year with $100 in his account.

Aiden spent more money than he had in his account in July.

Aiden started the year with $100 in his account.

Question

Aiden recorded his checking account balance each month on a graph for a year. If x represents the month and y represents his bank balance, which scenario would result in the graph having a y-intercept?

Aiden saved more money in January than in March.

Aiden ended the year with $100 in his account.

Aiden spent more money than he had in his account in July.

Aiden started the year with $100 in his account.

ranga · Answer

y-intercept means the y-value when x = 0. 
Here y is bank balance and x is month. x = 0 implies month 0 which means the y-intercept will be the starting bank balance.