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Equations and Graphs I will be able to use a T- table to graph equations Homework Weekly assignment Pg #---

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Presentation on theme: "Equations and Graphs I will be able to use a T- table to graph equations Homework Weekly assignment Pg #---"— Presentation transcript:

1 Equations and Graphs I will be able to use a T- table to graph equations Homework Weekly assignment Pg #---

2 Warm Up The ancient Greeks and Romans thought golden rectangles were pleasing to the eye. In a golden rectangle, the ratio of the length to the width is close to 1.62 : 1 For the rectangle below, use the equation to find the length and then determine whether it is in golden ratio. P= 110 in. 2x + 42 = 110 21 in x

3 Coordinate Plane

4 Make a T- table and graph each equation Y = 2x- 2 y = 5- x Y = 1/5 x -3

5 What can you tell from the graph of an equation ? Kara went to the county fair. Admission was $ 3. It also costs $0.75 for each ride ticket. The equation y = 3 + 0.75 x gives the total money Kara spent for the admission and x tickets.

6 If Kara spent $ 7.50 in all how many ride tickets did she buy?

7 Uses of Line graphs A line graph is often used to represent a set of data values in which a quantity varies with time. These graphs are useful for finding trends. That is, finding a general pattern in data sets including temperature, sales, employment, company profit or cost over a period of time

8 Draw a graph

9 Closure Equations Coordinate Grid Line Graph


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