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Published byOscar Casey Modified over 9 years ago

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TODAY IN ALGEBRA… REVIEW: 5.1-5.3 Learning Goal: 5.5 Writing equations of Parallel and Perpendicular Lines STATs: Mid. Ch. 5 Test Independent Practice

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REVIEW: LINEAR EQUATIONS SLOPE-INTERCEPT FORM:POINT-SLOPE FORM:

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5.5 PARALLEL AND PERPENDICULAR LINES PARALLEL LINES:PERPENDICULAR LINES: PARALLEL LINES HAVE THE SAME SLOPE PERPENDICULAR LINES HAVE SLOPES THAT ARE NEGATIVE RECIPROCALS

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5.5 PARALLEL AND PERPENDICULAR LINES Write slope as a fraction (Same slope) (flip the fraction and change the sign)

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5.5 PARALLEL AND PERPENDICULAR LINES Slope for y first!

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5.5 PARALLEL AND PERPENDICULAR LINES Slope for y first! PARALLEL LINES: line b & line c PERPENDICULAR LINES: line a & line b line a & line c

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5.5 PARALLEL AND PERPENDICULAR LINES Slope for y first! PARALLEL LINES: line a & line b PERPENDICULAR LINES: line a & line c line b & line c

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5.5 EQUATIONS OF PARALLEL LINES: Given a point and slope. SAME SLOPE!!!!!

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5.5 EQNS OF PERPENDICULAR LINES: Given point and slope. NEGATIVE RECIPROCAL!!!!!

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5.5 EQNS OF PERPENDICULAR LINES: Given point and slope. NEGATIVE RECIPROCAL!!!!!

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HOW DID YOU “SHAPE” UP?? Results for ALL of my Algebra classes: GRADE NUMBER OF STUDENTS WHO TOOK THE MID CH.5 TEST (40 pts) 1 ST PERIOD6 TH PERIODTOTAL A/A-12416 B+/B/B-5510 C+/C/C-224 D+/D022 F71118 Average30.2326.4628.35

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HOMEWORK #5: Pg. 322: 4-10 even, 12, 16, 18-26 even If finished, work on other assignments: HW #1: Pg. 286: 3-23 all HW #2: Pg. 286: 24-38 all HW #3: Pg. 296: 3-7, 11-14, 22-25 HW #4: Pg. 305: 3-30 all

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