Formative 7b

Front

What symbols indicate the use of a solid line when graphing an inequality?

Back

≤, ≥

Tags

CCSS.HSA.REI.D.12

Front

Back

It represents a line with a slope of 1/2 and a y-intercept of -5, with the area below the line shaded.

Tags

CCSS.HSA.REI.D.12

Front

Back

It indicates a solid line with a slope of 4 and a y-intercept of 2, with the area below the line shaded.

Tags

CCSS.HSA.REI.D.12

Front

How do you determine if a point is a solution to a system of inequalities?

Back

Substitute the point into each inequality; if it satisfies all inequalities, it is a solution.

Front

Back

The solution is the region where the shaded areas of both inequalities overlap.

Tags

CCSS.HSA.REI.D.12

Front

What does it mean if (0,0) is a solution to a system of inequalities?

Back

It means that the point (0,0) satisfies all inequalities in the system.

Tags

CCSS.HSA.REI.D.12

Front

Which inequality represents a region above the line?

Back

y > mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.HSA.REI.D.12

Front

Back

It represents a dashed line with a slope of 2 and a y-intercept of -4, with the area below the line shaded.

Tags

CCSS.HSA.REI.D.12

Front

What is the significance of a dashed line in graphing inequalities?

Back

A dashed line indicates that points on the line are not included in the solution set.

Tags

CCSS.HSA.REI.D.12

Front

Back

It represents a horizontal line at y=2, with the area below the line shaded.

Tags

CCSS.HSA.REI.D.12