Interpret intercepts and starting values in contextual linear situations.
Match a representation to the right intercept meaning
Problem
A savings relationship uses \((\text{weeks},~\text{total}~\text{dollars}~\text{saved})\) and includes \((0,~25)\). Interpret this point in the account context.
Big Picture
What this problem is really about
Interpret the point through its coordinate labels before attaching meaning to either number. The first coordinate measures elapsed weeks, so zero identifies the beginning; the second coordinate gives the account total at that moment. Reading the pair as one complete sentence keeps an initial balance from being confused with a weekly savings rate.
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