9 x 3 4x 3
[DOC File]Algebra I - PandaNation
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B 3x – 5y = 13 H 4x + 3y = 9 x – 2y = 5 3x + 4y = 12. C 7x + 2y = -1 I 5x – 3y = 16 3x – 4y = 19 4x + 5y = -2. D x + 2y = 6 J 4x – 3y = -20 5x + 3y = 2 -x – 8y = 5 . E 2x + 3y = 7 K -3x + 7y = -1 3x + 4y = 10 -2x + 5y = 0. F 7x – 3y = -5 L 5x + 6y = -11 ...
[DOC File]CURVE SKETCHING EXAMPLES - Academics
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a) take the first derivative: f '(x) = 3x2 - 12x + 9. b) set it equal to zero: 3x2 - 12x + 9 = 0. c) solve for x: 3(x2 - 4x + 3) = 0. 3(x - 1)(x - 3) = 0. x = 1, x = 3. d) where is f '(x) undefined? nowhere. e) sign analysis: Plot the numbers found above on a number. line. Choose test values for each interval . created and evaluate the first ...
[DOC File]3x– 9 = -15
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9(x-1)–2x=2(2x–8)+1 3x + 9 = -3 7x+9=4x – 3 9x+9-2x = 4x-8+5 9(x+1)-2x=2(2x-4)+5 3 – 2x = -5 x+3 = 3x – 5 6x+3-5x=3x-6+1 3(2x+1)-5x=3(x-2)+1 9-x=15 2x+9=3x ...
[DOCX File]Brainly
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1) Which equation is best represented by the graph above? A)(x+1)(x-3)(x+2) B(x-1)(x+3)(x+2) C (x-1)(x-3)(x+2) D (x+1)(x+3)(x-2) 2) Shown below is the graph of y=x^3-3x^2-6x+8
[DOC File]SOLVE SYSTEMS OF EQUATIONS - Bloomfield College
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The top equation will be multiplied by the LCD of 12 to yield 4x - 3y = 3. step 1: 2x + y = 9 is the chosen equation and solve for y, then y = 9 - 2x. step 2: substitute into unused: 4x - 3(9 - 2x) = 3 solve: 4x - 27 + 6x = 3 10x - 27 = 3 10x = 30 x = 3 step 3: substitute x = 3 into y = 9 - 2x then y = 9 - 2(3) y = 9 - 6 y = 3
[DOC File]AP Calculus Assignments: Derivative Techniques
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1a. 2 b. 4 c. –9/4 d. y – 2 = 5(x – 5) e. –3/2 2a. 1/6 b. 7/24 . 3a. 3cos x b. c. d. –18u–4 e. 6s – 4 f. ex g. 3xln3. h. sec ( tan ( i. 0 j. 2tcos t – t2sin t k. l. 5x4 + 4x – x–2. 4a. When the radius is 4 cm, the mass is 268 g. b. When the radius is 4 cm, the rate of change of the mass with respect to radius is 201 g/cm.
[DOC File]Lesson 1 - VDOE
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Lesson 3. Standards of Learning: A.11. Reporting Category: Expressions and Operations. BIG IDEAS: Adding, Subtracting and Multiplying Polynomials. Check and Review of Previous Work/Anticipatory Set with Graphing Calculators
[DOC File]Multiplying Polynomials
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Multiplying Polynomials (x + 2)(x – 2) (4x – 1)2 (6x + 1)(x – 2) (x + 1)(x – 1) (5x – 4)2 x2 - 4x - 12 (x + 2)(x – 6) x2 - 16 (x + 4)(x – 4) 6x2 + 13x ...
[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)
[DOC File]Paper Reference(s)
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9. (a) Factorise completely x3 – 4x. (3) (b) Sketch the curve C with equation. y = x3 – 4x, showing the coordinates of the points at which the curve meets the axis. (3) The point A with x-coordinate –1 and the point B with x-coordinate 3 lie on the curve C.
[DOC File]Rational Expressions
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Example: Evaluate x2 ( 3 when x = -9. x + 9. Recall that-a = a = _ a when b(0. b -b b. This is also true of polynomials. My suggestion is to simply pull any negative signs out and consider the entire expression as either a positive or negative expression. Example: - ( x + 3 ) = _ x + 3
[DOC File]Equations - Free
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Contôle. 4x - 12 = x + 9. 7 - x = x - 3. 18 - 4x = 21 - 7x - 3 = 0 + 3 = 19. 7 - ( 3 - x ) = 8. 15x = 1,5. 5( 2x-3) = 5(x-2) 20x- 50 = 10x + 50. x + ( x +1) + (x + 2 ...
[DOC File]Solving Absolute Value Equations
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around (to less than) when setting to -5 and 2x – 3 < -5 2x – 3 > 5 solve each ineq: +3 +3 +3 +3 2x < -2 2x > 8 2 2 2 2 Since its a Greater than, x < - 1 OR x > 4 it is an OR problem and will be graphed accordingly.
[DOC File]Solving and Graphing Inequalities
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- 3x < 9-3 -3 * Dividing both sides by -3, you must turn the inequality around. It changes from < to >. x > -3. Solve and Graph: 9) 12 – ⅔ x > 6 10) 12x – 6 > 14x – 2 . 11) 3(5x + 7) > 81 12) 11 > 4x + 31. 13) 7(5 – 8x) > 147 14) 3(4x + 1) < -27. Solve and Graph: 1) 3/5 x + 9 < 12 2) 4(2-3x) < 32 3) -21 < 7x – 144
[DOC File]Algebra 2 Final Exam Review – 2007 Semester 1
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5. Find f(3) 6. g(-2) 7. g(f(x)) 8. g(4x) C. Where do the lines intersect? Solve the system of equations. 9. y = x + 3 10. 4x + 10y = 20 11. x + y + z = 4 y = - 2x + 6 2x + 3y = 6 2x + 3y – z = 13. 4x – 2y + z = 7 . 12. What does your solution point from #9 represent in the graph of the equations? D. Find the equation of the line in ...
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