Chapter 7 Unit Question What are the components and applications of lines on the coordinate plane?

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Chapter 7 Unit Question What are the components and applications of lines on the coordinate plane?

Open Learning Logs Date on Left…Section 7 – 8 on right You will need a ruler You will want a calculator

Write a paragraph about the information given in the graph below. Include some predictions about attendance in the years not shown on the graph. WARM UP 7 – 8

Section 8 How do we find a linear equation to fit a given set of data?

Homework Clicky

GOAL 1: Draw a line based on a scatterplot Scatterplot – a graph of individual dots Gold produced in the world from 1984 to 1992 YearTons Year (19xx) Tons Now ask yourself… What points do my line pass through?

GOAL 2: find slope and y intercept of YOUR line Let’s pick (1988,30)

Predict how much Gold was mined in 2000 Which variable was years? HINT: Look at the GRAPH According to MY graph, 70 tons of gold were mined in 2000.

When was 10 tons produced in the world? Which variable was tons? HINT: Look at the GRAPH According to MY graph, 10 tons of gold were mined in 1982.

Put in the form y = m x + b X intercept: 4 Y intercept: -2 = (4, 0) = (0, -2) Let’s pick (0, -2)

Homework Do HoffmaSheet 7 – 8