1–3Locating Points and MidpointsLocating Points and MidpointsLESSON 1–3
1–3Locating Points and MidpointsFive-Minute Check (over Lesson 1–2)TEKSThen/NowNew VocabularyKey Concept: Midpoint Formula (on Number Line)Example 1:Real-World Example: Find Midpoint on Number LineKey Concept: Midpoint Formula (in Coordinate Plane)Example 2:Find Midpoint in Coordinate PlaneExample 3:Finding Missing Coordinates Example 4:Find Missing Measures Example 5:Locating a Point at Fractional Distances Example 6:Fractional Distances on a Coordinate PlaneExample 7:Locating a Point Given a Ratio
Over Lesson 1–21–3Locating Points and MidpointsWhat is the value of x and ABif Bis between C, AB= 3x+ 2, BC= 7, and AC= 8x– 1?Aand A.x= 2, AB= 8B.x= 1, AB= 5C.D.x= –2, AB= –4
Over Lesson 1–2If Mis between Land N, LN= 3x– 1, LM= 4, and MN= x– 1, what is the value of x and 1–3Locating Points and MidpointsMN?
Over Lesson 1–21–3Locating Points and MidpointsFind RT.A.B.C.D...in.in.