# Moving Straight Ahead

Agenda Pencil Grading Pen Spiral Notebook Yes you are getting your test back. Average grade: 84% Monday- Bell Work 1. 2 6 = 2. x 2 4/7= 3. Sebastian has 36 red roses. He wants to give his girlfriend 7/9 of the roses and the rest to his mother. How many roses will he give his girlfriend? How many roses does his mother get? Monday- Bell Work 1. 2 6 = 2. x 2 4/7= 11/24

2 2/35 3. Sebastian has 36 red roses. He wants to give his girlfriend 7/9 of the roses and the rest to his mother. How many roses will he give his girlfriend? How many roses does his mother get? Girlfriend gets 28 roses and his mother gets 8 roses. Moving Straight Ahead Investigation 2.1: Crossing the Line Packet page 3 & 4 Baxter vs. Orlando In Mr. Snyders gym class, Orlando finds out that his walking rate is 2.5 meters per second. 2.5meters

1sec ond When he gets home from school, he times his little brother , as Write that as a unit rate. Baxter walks 100 meters. He figures out that Baxters walking rate is 1m 1sec Baxter challenges Orlando to a walking race. Because Orlandos walking rate is faster, Orlando gives Baxter a 45-meter head start. What would be a good distance to make the race so that Baxter will win the race? Fill in the table on page 3. Complete the table showing the distance each brother is from the starting line during the first 40 seconds. Time

(Seconds) Baxters Distance From Starting Line (Meters) Orlandos Distance from Starting Line (Meters) 0 10 20 45 0 85

100 30 40 Complete the table showing the distance each brother is from the starting line during the first 40 seconds. Time (Seconds) Baxters Distance From Starting Line (Meters) Orlandos Distance from Starting Line (Meters)

0 10 20 45 55 65 0 25 50 30 40 75 85 75 100 Write an equation

representing time & distance for both boys. Baxter: d= t + 45 Orlando: d = 2.5t Graph both brothers times. 100 90 80 70 Distance (meters) 60 50 40 30 20 10

0 10 20 30 40 50 60 Time (Seconds) How far from the starting line will Orlando overtake Baxter? 100 90 Orlando will overtake Baxter at 75 meters. This is the point of Intersection- where both points meet (intersect) on the graph. 80 70

Distance (meters) 60 50 40 30 20 10 0 10 20 30 40 50 60 Time (Seconds) After how many seconds will Orlando overtake Baxter? 100

90 Orlando will overtake Baxter after 30 seconds. This is the point of Intersection- where both points meet (intersect) on the graph. 80 70 Distance (meters) 60 50 40 30 20 10

0 10 20 30 40 50 60 Time (Seconds) At what points do Orlandos & Baxters graphs cross the y-axis? 100 90 Orlando (0,0) 80 70 Baxter (0, 45) Distance (meters)

60 50 40 30 20 10 0 10 20 30 40 50 60 Time (Seconds) What information do these ) points (0,0) & (0,45) represent? 100 90

Starting Points for the walkers. 80 70 Point of Intersection: Where the walkers meet (intersect). x-intercept: Where the line Distance (meters) 60 50 40 crosses the x-axis. 30

y-intercept: Where the line crosses the y-axis. 20 10 0 10 20 30 40 50 60 Time (Seconds) Complete pages 1 & 2

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