Writing Inequalities from Graphs in Algebra 1

The video tutorial covers the concept of inequalities using number lines, focusing on boundaries and how to express inequalities in mathematical terms. It provides examples with different boundary values, explaining whether the values are included or excluded and how to write the inequalities correctly.

What is the main focus of the exercise introduced in the video?

• Finding the slope of a line

• Drawing graphs

• Writing inequalities from graphs

• Solving equations

Tags

CCSS.HSA.REI.D.12

In the first example, what is the boundary value?

• 4

• 3

• Negative 6

• Negative 3

Tags

CCSS.8.EE.B.5

For the boundary at 4, which inequality represents the values?

• x <= 4

• x >= 4

• x < 4

• x > 4

Tags

CCSS.6.EE.B.8

In the second example, what is the boundary value?

• 3

• Negative 3

• 4

• Negative 6

Tags

CCSS.8.EE.B.5

For the boundary at -3, which inequality represents the values?

• x >= -3

• x < -3

• x <= -3

• x > -3

Tags

CCSS.6.EE.B.8

In the third example, what is the boundary value?

• 4

• Negative 3

• 3

• Negative 6

For the boundary at -6, which inequality represents the values?

• x < -6

• x <= -6

• x > -6

• x >= -6

Tags

CCSS.6.EE.B.8

In the fourth example, what is the boundary value?

• Negative 3

• 4

• 3

• Negative 6

For the boundary at 620, which inequality represents the values?

• x < 620

• x <= 620

• x > 620

• x >= 620

Tags

CCSS.6.EE.B.8