Solving Systems of Equations with Desmos

The video tutorial demonstrates how to use Desmos to solve systems of equations efficiently. It explains that the solution to a system is the intersection point of the lines, which can be easily found by inputting the equations into Desmos. The tutorial further illustrates how to find specific values, such as the x-coordinate of the intersection point, by using Desmos to graph the equations and identify the required value.

What tool does the video suggest using to solve systems of equations easily?

• Graphing calculator

• Desmos

• Algebraic manipulation

• Pen and paper

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the primary benefit of using Desmos for solving systems of equations as mentioned in the video?

• It provides step-by-step solutions

• It automatically graphs equations

• It quickly shows the intersection point

• It simplifies algebraic expressions

Tags

CCSS.8.EE.C.8B

In the first example, what is the intersection point of the two lines?

• (9, 3)

• (0, 0)

• (6, 3)

• (3, 9)

Tags

CCSS.8.EE.C.8B

What does the second example in the video focus on finding?

• The slope of the line

• The equation of the line

• The y-value of the intersection

• The x-value of the intersection

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What are the equations used in the second example to find the intersection point?

• 3x - 2y = 12 and 2x + 3y = 21

• x + y = 5 and x - y = 1

• 2x - 3y = 7 and 3x + 2y = 12

• x - 2y = 4 and 2x + y = 10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the x-value of the intersection point in the second example?

• 6

• 3

• 12

• 9

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6