Systems of Equations- Checking Solution

How can you use math to check if a coordinate point is a solution to a system of equations?

¿Cómo puedes usar las matemáticas para verificar si un punto de coordenadas es una solución para un sistema de ecuaciones?

How many solutions does this system of equations have?

¿Cuántas soluciones tiene este sistema de ecuaciones?

• One Solution

• No solution

• Infinitely Many Solutions

What is the solution to this system of equations?

• (2,1)

• No Solution

• (-2, -1)

• (0, -3)

Tags

CCSS.8.EE.C.8B

The solution to a system of equations is (5,1).

Which equations below could possibly be part of the system?

¿Qué ecuaciones a continuación podrían ser parte del sistema?

Check off all the equations that are true.

Marque todas las ecuaciones que son verdaderas.

• y = x – 4

• y = 1/2 x + 4

• 2x + 3y = 13

• 2y = x – 3

• –2x + y = 3

Is the point (–4,1) a solution to the system?

Fill in the blanks. Rellenar los espacios en blanco.

The point (__,__) is a solution to the system because ______________________

Is the point (2, 0) a solution to the system? Check off one blue and one red answer.

The point (2,0) ___________ to the system because ___________.

• IS a solution

• IS NOT a solution

• (2,0) makes one equation true.

• (2,0) makes both equations true.

• (2,0) makes neither equation true.

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

Make a prediction, do you think the chips or the apples was more expensive?

Haga una predicción, ¿cree que las papas fritas o las manzanas eran más caras?

I think the ________ was more more expensive because _____

Based on the graph what is the solution to this system of equations?

Basado en el gráfico, ¿cuál es la solución a este sistema de ecuaciones?

Based on the graph on the graph which conclusion is correct?

Basado en el gráfico en el gráfico, ¿qué conclusión es correcta?

• The apples cost $ –2 each and the chips cost $7 each.

• The apples cost $0 each and the chips cost $6 each.

• The apples cost $1 each and the chips cost $2 each.

• The apples cost $4 each and the chips cost $–3 each.

Is it possible, in the real world, for apples to cost $-3? Explain your thoughts.

¿Es posible, en el mundo real, que las manzanas cuesten $-3?

Explica tus pensamientos.