November 07, 2013

Warm Up

1.) Bridges of lengths 2 and 3 are shown at the right. The bridge of length 2 uses seven beams. how many beams for a bridge of length 5? length 10? length 50? length n?

4.2 Writing Equations in SlopeIntercept Form 1.) Write the slope-intercept form of an equation given: (a) slope and intercept (b) slope and a point (c) two points

November 07, 2013

4.2 Writing Equations in Slope-Intercept Form Example 1: Write the slope-intercept form of the equation with a slope of -2 and a y-intercept of 8.

Slope y-intercept

y = mx + b

4.2 Writing Equations in Slope-Intercept Form Example 2: Write the slope-intercept form of the equation that passes through the point (2, 1) and has a slope of 3.

y = mx + b

Slope y-intercept

November 07, 2013

4.2 Writing Equations in Slope-Intercept Form Example 3: Write the slope-intercept form of the equation that passes through the point (4. -7) and has a slope of -1.

Slope y-intercept

y = mx + b

4.2 Writing Equations in Slope-Intercept Form Example 4: Write the slope-intercept form of the equation that passes through the points (3, 1) and (2, 4).

y = mx + b

Slope y-intercept

November 07, 2013

4.2 Writing Equations in Slope-Intercept Form

Example 5: Write the slope-intercept Slope form of the equation that passes through y-intercept the points (4, -3) and (2, 3).

y = mx + b

4.2 Writing Equations in Slope-Intercept Form Example 6: Write the slope-intercept form of the equation that passes through the points (-2, 6) and (0, 0).

y = mx + b

Slope y-intercept

November 07, 2013

4.2 Writing Equations in Slope-Intercept Form

Homework: p. 227 12-18 evens

4.2 Writing Equations in Slope-Intercept Form

4.2 Writing Equations in Slope-Intercept Form.pdf

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