A friend gives you two baseball cards for your birthday. Afterward, you begin collecting them. You buy the same number of cards once each week. The equation y = 4x + 2 describes the number of cards, y, you have after x weeks. Find and interpret the slope and the y−intercept of the line that represents this situation.

The slope is , while the y−intercept is . This equation represents starting with cards and adding cards each week.