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5 Minute Check Identify the ordered pair and the quadrant. 1. D 2. U 3. J 4. M 5. P 6. S
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5 Minute Check Identify the ordered pair and the quadrant. 1. D
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5 Minute Check Identify the ordered pair and the quadrant. 1. D (3,-5), QIV
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5 Minute Check Identify the ordered pair and the quadrant. 2. U
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5 Minute Check Identify the ordered pair and the quadrant. 2. U (1, 3), QI
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5 Minute Check Identify the ordered pair and the quadrant. 3. J
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5 Minute Check Identify the ordered pair and the quadrant. 3. J (-4,-5), QIII
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5 Minute Check Identify the ordered pair and the quadrant. 4. M
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5 Minute Check Identify the ordered pair and the quadrant. 4. M (5, 4), QI
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5 Minute Check Identify the ordered pair and the quadrant. 5. P
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5 Minute Check Identify the ordered pair and the quadrant. 5. P (-5, 4), QII
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5 Minute Check Identify the ordered pair and the quadrant. 6. S
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5 Minute Check Identify the ordered pair and the quadrant. 6. S (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII The next clue is at a location reflected across the x-axis. Where is it located?
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII The next clue is at a location reflected across the x-axis. Where is it located?
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII Maria hid the next clue under a rock by the lake. How many blocks east did she walk to the lake?
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII Maria hid the next clue under a rock by the lake. How many blocks east did she walk to the lake?
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII The final clue tells the hikers to walk 5 blocks north and three blocks east to find the prize. What ordered pair describes the location of the prize?
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5 Minute Check Identify the ordered pair and the quadrant. (-2, 1), QII The final clue tells the hikers to walk 5 blocks north and three blocks east to find the prize. What ordered pair describes the location of the prize?
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Lesson 6.5.7 Graphing on the Coordinate Plane
Monday, Oct 27 Lesson Graphing on the Coordinate Plane
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Graphing on the Coordinate Plane
Objective: To understand how to graph geometric shapes on the coordinate plane.
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Graphing on the Coordinate Plane
A coordinate plane is a grid with a vertical y-axis and horizontal x-axis. y-axis x-axis
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Graphing on the Coordinate Plane
The center of the coordinate plane is called the origin. y-axis origin x-axis
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Graphing on the Coordinate Plane
The coordinate plane is divided into four quadrants. Quadrant II y-axis Quadrant I origin x-axis Quadrant III Quadrant IV
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Graphing on the Coordinate Plane
You can use an ordered pair (x,y) to locate any point on the plane. The first number in an ordered pair is the x-coordinate. The second number in an ordered pair is the y-coordinate.
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Graphing on the Coordinate Plane
Name the ordered pair and quadrant.
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Graphing on the Coordinate Plane
Name the ordered pair and quadrant. (-3,5), QII (-3, 5)
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Graphing on the Coordinate Plane
Name the ordered pair and quadrant.
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Graphing on the Coordinate Plane
Name the ordered pair and quadrant. (-2.5,-3), QIII (-2.5, -3)
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Graphing on the Coordinate Plane
What point is the reflection of (2,-4) across the x-axis? Remember – when graphing a reflection the coordinate of the axis of reflection stays the same.
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Graphing on the Coordinate Plane
What point is the reflection of (2,-4) across the x-axis? (2, 4) (2, -4)
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Graphing on the Coordinate Plane
What point is the reflection of (-1.5, 3) across the y-axis?
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Graphing on the Coordinate Plane
What point is the reflection of (-1.5, 3) across the y-axis? (-1.5, 3) (1.5, 3)
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Graphing on the Coordinate Plane
What point is the reflection of (-1, -5) across the x-axis?
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Graphing on the Coordinate Plane
What point is the reflection of (-1, -5) across the x-axis? (-1, 5) (-1, -5)
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Graphing on the Coordinate Plane
What point is the reflection of (2, 3.5) across the y-axis?
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Graphing on the Coordinate Plane
What point is the reflection of (2, 3.5) across the y-axis? (-2, 3.5) (2, 3.5)
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Graphing on the Coordinate Plane
Create a square using the given points as vertices. What are the other points? (-4, 4) (1, 4)
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Graphing on the Coordinate Plane
Create a square using the given points as vertices. What are the other points? (-4, -1) and (1, -1) (-4, 4) (1, 4) And?
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Graphing on the Coordinate Plane
Create a square using the given points as vertices. What are the other points? (-4, 4) (1, 4) And?
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Graphing on the Coordinate Plane
Create a square using the given points as vertices. What are the other points? (-4, 4) (1, 4) (1,9) and (-4, 9)
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Graphing on the Coordinate Plane
Create a square with the given points. What are the other points? What is the perimeter of the square? (-4, 4) (1, 4)
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Graphing on the Coordinate Plane
Create a square with the given points. What are the other points? What is the perimeter of the square? 5 units · 4 = 20 units (-4, 4) (1, 4) 5 u
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Graphing on the Coordinate Plane
Graph points at E(-1,-4) and F(-3.5,4). Reflect point F across the x-axis and connect all the points. What is the shape?
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Graphing on the Coordinate Plane
Graph points at E(-1,-4) and F(-3.5,4). Reflect point F across the x-axis and connect all the points. What is the shape? A triangle with vertices at (-3.5, 4), (-3.5, -4) and (-1,-4) F E F’
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Graphing on the Coordinate Plane
Draw the triangle A(3,1), B(-2,1) and C(-2,5). What is the area of the triangle? A∆ = b · h ÷ 2
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Graphing on the Coordinate Plane
Draw the triangle A(3,1), B(-2,1) and C(-2,5). What is the area of the triangle? A∆ = b · h ÷ 2 A∆ A∆ = 5u · 4u ÷ 2 A∆ = A∆ = A∆ = A∆ = A∆ = 10 units² C 4u A B 5u
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Graphing on the Coordinate Plane
Draw the points G(-3,5), H(3,5), I(5,0), J (0,-4) and K(-5,0) and connect in alphabetical order. Connect K to G. What is the shape? A∆ A∆ = A∆ = A∆ = A∆
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Graphing on the Coordinate Plane
Draw the points G(-3,5), H(3,5), I(5,0), J (0,-4) and K(-5,0) and connect in alphabetical order. Connect K to G. What is the shape? A pentagon A∆ A∆ = A∆ = A∆ = A∆ G H I K J
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Graphing on the Coordinate Plane
Mr. Avery is using the coordinate plane to design a logo. He graphs points at (2,4) and (-2,2). He reflects (-2, 2) across the x-axis, then he reflects the new point across the y-axis. What shape is the logo?
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Graphing on the Coordinate Plane
Mr. Avery is using the coordinate plane to design a logo. He graphs points at (2,4) and (-2, 2). He reflects (-2, 2) across the x-axis, then he reflects the new point across the y-axis. What shape is the logo? The shape is a trapezoid. (2, 4) (-2, 2) (-2, -2) (2, -2)
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Graphing on the Coordinate Plane
Mr. Avery is using the coordinate plane to design a logo. He graphs points at (2,4) and (-2, 2). He reflects (-2, 2) across the x-axis, then he reflects the new point across the y-axis. What shape is the logo? Can you determine the area of the trapezoid? (2, 4) (-2, 2) (-2, -2) (2, -2)
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Graphing on the Coordinate Plane
Mr. Avery is using the coordinate plane to design a logo. He graphs points at (2,4) and (-2, 2). He reflects (-2, 2) across the x-axis, then he reflects the new point across the y-axis. A∆ = b · h ÷ 2 A∆ = 2 · 4 ÷ 2 = 4u² A = 4u² = 16u² A∆ A∆ + A = 20u² (2, 4) (-2, 2) (-2, -2) (2, -2)
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Graphing on the Coordinate Plane
Three vertices of a quadrilateral are (-1,-1), (1,2) and (5,-1). What are the coordinates of the two vertices that will form two different parallelograms?
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Graphing on the Coordinate Plane
Three vertices of a quadrilateral are (-1,-1), (1,2) and (5,-1). What are the coordinates of the two vertices that will form two different parallelograms? (-5,2) (7,2)
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Graphing on the Coordinate Plane
Determine whether each statement is sometimes, always, or never true. Give an example or a counterexample. When a point is reflected across the y-axis, the new point has a negative x-coordinate.
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Graphing on the Coordinate Plane
Determine whether each statement is sometimes, always, or never true. Give an example or a counterexample. When a point is reflected across the y-axis, the new point has a negative x-coordinate. Sometimes; The x-coordinate of the new point will be negative if the x-coordinate if the original point is negative.
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Graphing on the Coordinate Plane
Determine whether each statement is sometimes, always, or never true. Give an example or a counterexample. The point (x,y) is reflected across the x-axis. The new point is reflected across the y-axis. The location of the point after both reflections is (-x,-y).
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Graphing on the Coordinate Plane
Determine whether each statement is sometimes, always, or never true. Give an example or a counterexample. The point (x,y) is reflected across the x-axis. The new point is reflected across the y-axis. The location of the point after both reflections is (-x,-y). Always; The coordinates be the opposites of the original following both reflections.
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Graphing on the Coordinate Plane
Agenda Notes Homework – Homework Practice Due Tuesday, Oct 28 Show all work. Chapter 6.5 Test -Wednesday, Oct 29 Accum Rev 5 due by Oct 29
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