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9-12 Materiales de apoyo extra para Álgebra 1 Unit 4 Lesson 4

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K-5 Math 6-8 Math •9-12 Math

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Álgebra 1 •Materiales de apoyo extra para Álgebra 1

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Unit 1 Unit 2 Unit 3 •Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

Modeling Prompts

Lesson

Lesson 1 Lesson 2 Lesson 3 •Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9

K-5
6-8
9-12

Álgebra 1
Materiales de apoyo extra para Álgebra 1

Matemáticas integradas 1

Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8

Modeling Prompts

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9

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Lesson 4

4.1 Warm-up 4.2 Activity 4.3 Activity

Unit 4, Lesson 4

De desigualdades en una variable a desigualdades en dos variables

Materiales de apoyo extra para Álgebra 1

4.1

Warm-up

Describamos regiones del plano

En cada gráfica, ¿qué tienen en común todos los pares ordenados de la región sombreada?

<p>Coordinate plane, x, negative 10 to 10 by 2, y, negative 10 by 10 by 2. Horizontal line drawn at y = 0. Plane shaded above the line y = 0.</p> — A

<p>Coordinate plane. Quadrants 2 and 3 shaded</p> — B

<p>Coordinate plane, quadrant 1 shaded </p> — C

<p>Coordinate plane, quadrant 4 shaded </p> — D

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4.2

Activity

Más o menos

Standards Alignment

Building On

Addressing

A-REI.3

Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

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Building Toward

A-REI.12

Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.

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En cada caso, escribe por lo menos 3 valores de que hagan que la desigualdad sea verdadera.
Grafica la solución de cada desigualdad en una recta numérica.
Considera la desigualdad . Escribe 3 pares de coordenadas cuya coordenada haga que la desigualdad sea verdadera. Usa el plano de coordenadas para graficar tus 3 puntos.

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4.3

Activity

Arriba o abajo de la recta

Standards Alignment

Building On

Addressing

A-REI.10

Understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).

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Building Toward

A-REI.12

Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.

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Grafica la recta que representa la ecuación .
¿Está el punto en la recta?
1. Usa la gráfica para explicar cómo lo sabes.
2. Usa la ecuación para explicar cómo lo sabes.
Considera estos 3 puntos: y .
1. Escribe valores de y para que los puntos estén en la recta.
2. Escribe valores de y para que los puntos estén arriba de la recta.
3. Escribe valores de y para que los puntos estén abajo de la recta.

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Glossary

None

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Standards Alignment

Building On

Addressing

Building Toward

A-REI.12

Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.

View Full Standard