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Day 1 Trends in Graphs completed.notebook 1 May 09, 2019 Nov 810:54 AM Trends In Graphs We will learn • To interpret graphs to describe how the variables (and units of measure) are related • Describe trends, use trends to make predictions or justify decisions. May 812:42 PM Interpreting Graphs What do you notice? What do you wonder? Nov 811:14 AM Interpreting Graphs What is the independent variable? What is the dependent variable? What is the graph telling us? (think about the rate of change) A graph is a visual representation of the relationship between two quantities. It shows how one quantity changes with respect to the other. Nov 810:56 AM Describing Trends As x increases, y also increases.... May 812:55 PM Linear trends Quadratic trends Exponential trends Types of Trends Trends, or patterns of change, in a graph are often used to justify decisions and make predictions. Nov 811:20 AM This graph shows the number of births in Ontario from 1945 to 2005. Describe the trends in the graph. Describing Trends In this graph the trends occur in 3 broad groups: increasing, decreasing, and constant (no change). Divide the graph into intervals of time when the number of births is increasing, constant, or decreasing.
