Depending on what you want to do with a model, it can be more convenient to use one form instead of another!

Slope-Intercept Form Standard Form Point-Slope Form

y = mx + b

Ax + By = C

y - y1 = m(x - x1)

Optimal Linear Model

The Slope-Intercept Form of the optimal linear model for predicting median income from pct-college-or-higher is :

y = 1142slopex + 20868.14y-intercept

1 Write the Standard Form and Point-Slope Form of the optimal linear model below.

Standard Form Point-Slope Form

Ax + By = C

y - y1 = m (x - x1)

The al-ak model

The Slope-Intercept Form of the al-ak model for predicting median income from pct-college-or-higher is :

y = 5614slopex + 83616y-intercept

2 Write the Standard Form and Point-Slope Form of the al-ak linear model below.

Standard Form Point-Slope Form

Ax + By = C

y - 83616y1 = m (x - 0x1)

Your Choice

Choose another linear model you came up with.

3 The Slope-Intercept Form of my model is: y = slopex + y-intercept

4 Write the Standard Form and Point-Slope Form of that linear model below.

Standard Form Point-Slope Form

Ax + By = C

y - y1 = m (x - x1)

Comparing Forms

5 Which form is most useful to YOU, and why?

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