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[DOC File]ALGEBRA 2 X - Tredyffrin/Easttown School District
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3x + 2y = 0 (Be sure to get the x and y on the same side of the equation.) y = -6x + 9. Try this one on your own: 3x + y = 15. 3x – 2y = 6. Two Special Cases. Case #1 x + y = 5. 3x + 3y = 7 Set up the Augmented Matrix. Multiply 3 times Row 1 Row 2 – Row 1 replaces row 2 The second row translates to 0 + 0 = 8 which is a contradiction.
right 3 x 2y 3 0

[DOC File]SIMULTANEOUS EQUATIONS
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For the line 3x + 2y = 8 . x 0 2 4 y 4 1 -2 For the line x – 4y = -2. x 2 6 10 y 1 2 3 Exercise: Draw the two lines on the same pair of axes and find the point of intersection. State the x and y co-ordinates as the solution. Example 5. Solve the simultaneous equations below graphically. x + y = 3. y – x2 = 1.
3x 2y 2 x 4y 3

[DOC File]Back to y^2 = x^3 + 3x^2 = (x+3)x^2:
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Back to y^2 = x^3 + 3x^2 = (x+3)x^2: Author: Jim Propp Last modified by: James Propp Created Date: 11/16/2012 10:20:00 PM Company: University of Wisconsin Other titles:
3x x 2y 2 x 2y 3

[DOC File]Revision Exercises
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2y = 2+14. 2y = 16. y = 8 (vi) 2x+2y-5z = -5. x-y+z = 3-3x+y+2z = -2. STEP 1: Express in terms of same value of one variable (2x) Equation 1: 2x+2y-5z = -5. 2x = -5-2y+5z. Equation 2: (x-y+z = 3) multiplied by 2. 2x-2y+2z = 6. 2x = 6+2y-2z. STEP 2: Substitute value of eq1 for eq2-5-2y+5z = 6+2y-2z. STEP 3: Collect the terms-2y+5z-2y+2z = 6+5-4y ...
x 4 3x 2y 9y 2

[DOC File]Worksheet 6.4 - Graphing Linear Equations Name
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With Table, X & Y Intercepts, Slope-Intercept Form By using a table, graph each of the following on the graph paper provided. 1. y = 2x - 3. x y 2. y = -3x + 2. x y 3. 6x + 24 = -12y. x y 4. 2x - y = 4. x y Unit 3A #21- Review Sheet Graphing Name With Table, X & Y Intercepts, Slope-Intercept Form
x 2y 4 3x 4y 2

[DOC File]8-1 Solving Systems of Equations
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Example 2. 3x – 2y = 4. 4x + 2y = 10 . Step 1- Determine whether you should add or subtract. In this example I will add because the -2y and + 2y will cancel out. 3x – 2y = 4 + 4x + 2y = 10 . 7x = 14. Step 2 – Solve for x . X = 2 . Step 3- Substitute 2 in for x in either equation and solve for y. 3x – 2y = 4 . 3(2) – 2y = 4. 6 – 2y ...
x 4y 3 2 x 3y 5

[DOC File]Ejercicios de Factorización para Cuarto de Secundaria
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a) x – 1 b) x – 2 c) x - 3. d) x + 5 e) x + 7. Factorizar: P(x, y) = x2 – y2 + 6y - 9. Indicando el factor primo de mayor suma de coeficientes. a) x + y – 3 b) x – y + 3 c) x + y + 2. d) x + 2y – 1 e) 3x + y + 2. Factorizar: (a3 + b3 + c3)3 – a3 – b3 – c3. Indicando el número de factores primos. a) 1 b) 2 …
x 2 x 3 4 0

[DOC File]Remainder & Factor Theorems
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Exercise 1A. 2 (a) 2y = 3x ( 1 ( y = ----- (1) + = 15 ----- (2) Subs. (1) into (2): 4x ÷ + ÷ x = 15 + = 15 = 15 = 15. 97x2 ( 54x + 9 = 15(6x2 ( 2x)
x 2y 10 solve for y equations

[DOC File]Linear Combination Worksheet #2
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3x + 2y = 13 3a + 7b = 0 . Solve by the graphing method. y – 3x = -1 . y = x + 3. x – 3y = -10 . 2x + y = 1 . Solve by substitution. 11. m – 4n = -5 12. a - 2b = 1. m = 2n – 4 3a - b = -4. Write a system of equations and solve. The talent show ticket committee sold a total of 805 tickets in advance. ...
right 3 x 2y 3 0

[DOC File]ALGEBRA II – SUMMER PACKET
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3x - 15 < 4 - 2 + 2x -2x - 12 ≥ 4 3x - 15 < 2 + 2x -2x ≥ 16 x - 15 < 2 x ≤ -8 is the solution. x < 17 is the solution. Note: Dividing both sides by -2 changed the direction of the inequality. Practice:
3x 2y 2 x 4y 3

2 x 2y 3x 2