December 3, 2013 Tuesday Please have homework out on desk.

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Presentation transcript:

December 3, 2013 Tuesday Please have homework out on desk

Algebra 1 PAP HW p y=3x-2 4. y=2x-9 5. y=-5x y=-2x+5 7. y=-3/4 x y=1/2 x – y=-2x y=18x should be the slope 11. y=3x y=7x y=-2/5 x y=2x+12

Warm Up Write the equation of the line that passes through f(2)=7 and f(4)=6

Take Away Idea There is an easier way to write the equation of a line when the y-intercept is not given.

NOTES 5.3 Write Linear Equations in Point- Slope Form Point Slope Form y-y1=m(x-x1)

Write the equation of a line in point- slope form that passes through the point (4,-3) and has a slope of 2. (4, -3) (x1,y1) m=2 y- y1=m(x-x1)

Practice (given slope and 1 point) Write the equation of the line IN POINT-SLOPE FORM that passes through the point (-1,4) and has a slope of -2.

Practice (given 2 points) Write the equation of the line IN POINT-SLOPE FORM that passes through (-1,3) and (1,1)

Practice (2 points) Write the equation of the line IN POINT-SLOPE FORM going through (2,3) and (4,4)

Classwork DO ON A SEPARATE SHEET OF PAPER Write the following equations in SLOPE- INTERCEPT FORM 1. 2x + y = x – 2y = y – 2x = y + 5x = -10