Solving Inequalities with Desmos

This video tutorial demonstrates how to solve inequalities using the Virginia version of Desmos, which is tailored for the state's standards of learning tests. It covers the basic steps for solving inequalities, including identifying dotted and solid lines and shading directions. The tutorial also addresses how to handle errors, such as unrecognized variables, and explains special cases like no solution or all real numbers, which require manual solving.

What color is the Virginia Desmos interface?

• Red

• Blue

• Black

• Green

What is missing in the Virginia Desmos compared to the standard version?

• Graphs

• Images

• Folders

• Equations

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CCSS.8.EE.C.7B

How is a non-equal to inequality represented in Desmos?

• Solid line

• Dotted line

• Dashed line

• No line

Tags

CCSS.HSA.REI.D.12

What direction does the shading go for an inequality less than a number?

• Up

• Down

• Left

• Right

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CCSS.6.EE.B.8

What type of line represents an inequality that includes equality (≤ or ≥)?

• Solid line

• Wavy line

• No line

• Dotted line

Tags

CCSS.HSA.REI.D.12

What error occurs if a non-recognized variable is used in Desmos?

• Variable error

• Graph error

• Input error

• Syntax error

What should be done if Desmos does not recognize a variable?

• Delete the variable

• Restart Desmos

• Change the variable to 'x'

• Ignore the error

What does it indicate if the graph colors overlap perfectly in Desmos?

• Error in input

• Correct solution

• Incomplete equation

• Graphical glitch

Tags

CCSS.8.EE.C.8B

How is an equation with all real numbers represented in Desmos?

• Dotted line

• Solid line

• Intermittent shading

• Not graphed

Tags

CCSS.HSA.REI.D.12

What should be checked first if the graph disappears in Desmos?

• Variable names

• Solution size

• Equation complexity

• Desmos settings