And that works well for adding and subtracting, because if we add or subtract the same amount from both sides, it does not affect the inequality Example: Alex has more coins than Billy.

At this time I want to see the majority of students getting comfortable graphing and shading systems of inequalities. If this is not the case I would reteach and review an additional example problem or two to provide further support to either the whole class or differentiate the instruction based on the needs of individual students.

With that being said, moving forward each group has the task of creating a scenario that can be modeled by a system. I only require at least one of the functions in the system to be an inequality because I want to balance the need to practice the skill with allowing creativity and giving students a chance to think about whether a certain rule or parameter of a scenario is better modeled with an equation or an inequality.

The task can be completed with paper and pencil, with technology or a balance between the two.

I personally like to provide each group with two ipads - one to focus on creating the graph and capturing the system that they graph, and a second to write out explanations and the group's reasoning. Using a technology like Google Drive can be helpful in making the process of sharing work between group members and the teacher more efficient and manageable.

Solving Systems of Inequalities 15 minutes Exit Ticket The Exit Ticket Solving and Graphing Systems of Inequalities for today serves as a formative assessment as it is a good point in the unit to take a temperature check of student understanding so that I can adjust my practice accordingly.

I assign two systems of inequalities, one set where the inequalities are set up in slope-intercept form and the second that is not.

Solve Systems of Equations by Graphing |
The first step is to find the zeros of the polynomial x2 - x - 6. We are looking for values of x where the polynomial is negative. |

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Compound inequalities Video transcript Solve for x, 5x - 3 is less than 12 "and" 4x plus 1 is greater than |

Inequalities |
See the attached file. |

The reasoning for this is I know I stress slope-intercept form a lot in my instruction, and I have to be careful that students are flexible in their thinking to be able to solve the inequalities. The second problem also gives me valuable information on where students are in terms of their ability to manipulate and rearrange equations for a variable of interest.

Solving and Graphing Systems of Inequalities Homework: I like this interactive applet because it provides a lot of nice support for students to practice the concepts. For example, the site provides a coordinate plane and makes it easy for students to move and manipulate the graphs.

The site also has a simple choice of whether to shade above or below the line, giving students a reminder of one of the important decisions to make when graphing a system of inequalities.

This is an excellent example of Universal Design for Learning that not only supports students with fine motor difficulties, but a wide range of students who struggle setting up graphs. In addition the website provides hints to help students initiate the process of graphing and solving systems of linear inequalities.To graph an inequality, treat the, or ≥ sign as an = sign, and graph the equation.

If the inequality is, graph the equation as a dotted line. If the inequality is ≤ or ≥, graph the equation as a solid line. This line divides the xy- plane into two regions: a region that. Jul 06, · Best Answer: A These are parallel lines.

The Y values of the line with the y-intercept of -1 are above the line The y values of the line with the y-intercept of -3 are above the line. There is not common solution mStatus: Resolved. In this lesson, students learn how to use the graph of a system of linear inequalities to determine the feasible region.

Students practice solving word problems to find the optimal solution . The "solution" of the system is the region where all the inequalities are happy; that is, the solution is where all the inequalities work, the region where all three individual solution regions overlap.

In this case, the solution is the shaded part in the middle: Top.

Solve linear or quadratic inequalities with our free step-by-step algebra calculator Solution. Note that the graph has an arrow indicating that the line continues without end to the left.

Example 13 Write an algebraic statement represented by the following graph. Exercise Set Interval Notation and Linear Inequalities 94 University of Houston Department of Mathematics For each of the following inequalities: (a) Write the inequality algebraically.

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Solving absolute value equations and inequalities (Algebra 1, Linear inequalitites) – Mathplanet