Modeling with Matrices

Question 6 of 10 • LAUSD-Pre-Calculus B (Prescriptive)

A store sells yogurt in small, medium, and large sizes. A small yogurt costs $2, a medium costs $3, and a large costs $5. In one hour, the shop sold 27 yogurts for $98. There were five more large yogurts than small yogurts. The matrix below represents the system of equations in this situation.How many of each size yogurt did the store sell during that hour?

Answer

7 small yogurts, 8 medium yogurts, 12 large yogurts

12 small yogurts, 8 medium yogurts, 7 large yogurts

27 small yogurts, 98 medium yogurts, 5 large yogurts

98 small yogurts, 27 medium yogurts, 5 large yogurts

Unit Test

Sum and Difference Identities

Double-Angle and Half-Angle Identities