standard_description: Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.
problem_activity: [IMG]
$${y=-3\mathrm{sin}(2x)+3}$$
On the graph, label the amplitude, period, midline, and phase shift, and explain how each feature connects to the equation.
Write a different equation that produces the same graph.


aligns: no