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# 5 Minute Check - PowerPoint PPT Presentation

5 Minute Check. Identify the ordered pair and the quadrant. 1. D 2. U 3. J 4. M 5. P 6. S. 5 Minute Check. Identify the ordered pair and the quadrant. 1. D. 5 Minute Check. Identify the ordered pair and the quadrant. 1. D (3,-5), Q IV. 5 Minute Check.

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Identify the ordered pair and the quadrant.

1. D

2. U

3. J

4. M

5. P

6. S

Identify the ordered pair and the quadrant.

1. D

Identify the ordered pair and the quadrant.

1. D

(3,-5), QIV

Identify the ordered pair and the quadrant.

2. U

Identify the ordered pair and the quadrant.

2. U

(1, 3), QI

Identify the ordered pair and the quadrant.

3. J

Identify the ordered pair and the quadrant.

3. J

(-4,-5), QIII

Identify the ordered pair and the quadrant.

4. M

Identify the ordered pair and the quadrant.

4. M

(5, 4), QI

Identify the ordered pair and the quadrant.

5. P

Identify the ordered pair and the quadrant.

5. P

(-5, 4), QII

Identify the ordered pair and the quadrant.

6. S

Identify the ordered pair and the quadrant.

6. S

(-2, 1), QII

Lesson 5.7

Graphing on the Coordinate Plane

Objective: To understand how to graph geometric shapes on the coordinate plane.

At the end of this lesson you should be able to answer the following question.

How can the coordinate plane be used to represent geometric figures?

A coordinate plane is a grid with a vertical y-axis and horizontal x-axis.

y-axis

x-axis

The center of the coordinate plane is called the origin.

y-axis

origin

x-axis

The coordinate plane is divided into four quadrants.

origin

x-axis

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.

Name the ordered pair and quadrant.

Name the ordered pair and quadrant.

(-3,5), QII

(-3, 5)

Name the ordered pair and quadrant.

Name the ordered pair and quadrant.

(-2.5,-3), QIII

(-2.5, -3)

Graph (2,-4) and it’s reflection across the x-axis.

Remember – when

graphing a reflection

the coordinate of the

axis of reflection

stays the same.

Graph (2,-4) and it’s reflection across the x-axis.

(2, 4)

(2, -4)

Graph (-1.5, 3) and it’s reflection across the y-axis.

Graph (-1.5, 3) and it’s reflection across the y-axis.

(-1.5, 3)

(-1.5, -3)

Graph (-1.5, 3) and it’s reflection across the y-axis.

(-1.5, 3)

(1.5, 3)

Graph (-1, -5) and it’s reflection across the x-axis.

Graph (-1, -5) and it’s reflection across the x-axis.

(-1, 5)

(-1, -5)

Graph (2, 3.5) and it’s reflection across the y-axis.

Graph (2, 3.5) and it’s reflection across the y-axis.

(-2, 3.5)

(2, 3.5)

Create a square with the given points. What are the other points?

(1, 4)

(-4, 4)

Create a square with the given points. What are the other points? (-4, -1) and (1, -1)

(1, 4)

(-4, 4)

Create a square with the given points. What are the other points? What is the perimeter

of the square?

(1, 4)

(-4, 4)

Create a square with the given points. What are the other points? What is the perimeter

of the square?

5 units · 4 = 20 units

(1, 4)

(-4, 4)

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?

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)

(-3.5, 4)

(-1, -4)

(-3.5, -4)

Draw the triangle A(3,1), B(-2,1) and C(-2,-5). What is the area of the triangle?

Draw the triangle A(3,1), B(-2,1) and C(-2,-5). What is the area of the triangle?

A∆ = b · h ÷ 2

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∆

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

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∆ = 5 · 6 ÷ 2

A∆ = A∆ = A∆ = A∆ = A∆ = 15 units²

(-2,1)

(3,1)

(-2,-5)

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?

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)

How can the coordinate plane be used to represent geometric figures?

Agenda Notes

Homework –

Homework Practice 5-7

Due Thursday, Nov 14

Chapter 5 Test –Friday, Nov 15

After School Help Session

Thursday, Nov 14 – 2:15 – 3PM