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[DOC File]Overview:
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Do & How: The graphing calculator will be used to help students understand relationships between two linear equations using a graph and table of values. Page 1 Name *A system of equations is solved by finding the (if any) that they share. *A system of equations share either , , or points.
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[DOC File]Solving Linear Systems with Graphing-7
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A Linear System is a set of two linear equations. Example: y = -2x and y = x + 3. Does the point (0, 4) make either equation true? Substitute it in and find out. Does the point (2, 5) make either equation true? Explain. Does the point (-1, 2) make either equation true? Explain.
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[DOC File]Solving Linear Systems (Standard Form)
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Consider the system of equations 2x + 3y = 4 and x + 4y = –3. Multiply each side of the equation x + 4y = –3 by –2. How do you think the solution of the system 2x + 3y = 4 and x + 4y = –3 compares to that of the system 2x + 3y = 4 and –2x – 8y = 6? Explain. In the …
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[DOC File]Systems of Linear Equations: Elimination by Addition Method
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Similarly, add 3 times the first equation to the third equation: = = _____ = The new, equivalent system of equations consists of one of the original equations and the 2 new, shorter ones: = = = Next we must eliminate y or z in either the second or third equation. It looks like we can do this easily by adding 2 times the second equation to the ...
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Solving Systems of Linear Equations in Three Variables
Solve the system. Select the first and second equations to eliminate the z variable (multiply the second equation by 2 and add). Select the second and third equations to eliminate the same z variable (multiply the second equation by (3 and add). You now have two equations in terms of x and y.
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[DOC File]Lesson: Systems of Equations
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system of equations. is a set of equations dealt with simultaneously for which a common solution, if possible, is sought. A . solution. to system of equations is a point that lies on the graph of each equation in the system. Part I: Identifying the solution(s) to a system of equations. The equations y = x + 1 and y = ½x + 2 are graphed below ...
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[DOC File]Algebra Equation Solving Flow Chart
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If yes, then this is a system of equations. Graph both equations; the solution to the system is the intersection point of the graphs. To calculate the intersection point use either: Substitution: solve one equation for a variable, substituting the expression you obtain into the second equation, then solving that resulting equation for a value, or
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[DOCX File]Solving Linear Systems (Standard Form)
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= 7. Then select the bottom equation. Set . A. to 1, B. to –2, and . C. to 1 to graph . x – 2. y = 1. (To quickly set the value of a slider, type the number into the text box to the right of the slider and press . Enter.) The . solution. of an equation contains the value or values that make the equation true. Select . Check solution at ...
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[DOC File]8-1 Solving Systems of Equations
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Use substitution to solve the system of equations. If the system does not have one solution tell whether it has infinitely many solutions or no solution. Y = 2x + 1. 2y = 4x +2. Step 1 - Choose a variable to solve for. Look for the easiest way to solve the problem. Because the first equation is already solved for y I will choose the first equation.
solving systems of equations calculator

[DOC File]System-of-Equations Word Problems (page 1 of 2)
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Now I can solve the system for the number of adults and the number of children. I will solve the first equation for one of the variables, and then substitute the result into the other equation: a = 2200 – c. 4(2200 – c) + 1.5c = 5050 8800 – 4c + 1.5c = 5050 8800 – 2.5c = 5050 –2.5c = –3750 c …
how to solve a system of equations

How to do system of equation