. Which expression is the simplified form of 3x2 + 4x + 5 - x2 + 2x - 1 2x2 - 2x - 4 2x2 + 2x + 6 4x2 - 6x + 4 4x2 + 6x + 6 . Consider the following equation: C2 = 62+102 Which is the closest to the value of c? 4 . 6 12 16
6. Which expression is a simplified form of (5x2 – 3x) – (8x2 – 2x)? a. -3x - 5x b. 13x2 - 5x
6. Which expression is a simplified form of (5x2 – 3x) - (8x2 – 2x)? a. -3x - 5x b. 13x - 5x c. -3x - x d. -3x + x
4. What is the result of adding 3x2-5x +1 from 8x2-2x-9 A. 5x2-3x-10 B. -5x2-3x-10 C. 5x2-7x-8 D. -5x2-7x+8
Match the polynomial expression on the left with the simplified version on the right. 6x +11x2–5x-12 3x+4 2x2 + x - 8 6x4+7x) -9x2 +13x-12 3x2-x+3 2x2 + 3x - 4 2x2 + x - 3 2x2 + 6x - 3
9) Find ( 5x+3x+3x dx a) O 5x2 + x3 + x2 + c b) O 5x3 + 2x2 + 3x + c c) O 5x3 + 2.x + 3x + с d) 0 5x + x² + x3 + c 8) Find the most general solution of the differential equation dx C49602 Weight: 1 = 6x2 - 7; given that y = 5, dy = 2, when x = dx o. a) y = PR + 2x + 5...
3. Solve the following systems of equations using Gaussian elimination. (a) 2x 3x2 + 2x3 = 0 (d) 2x + 4x2 2.xz 4 *- x2 + x3 = 7 X; - 2x2 · 4x3 = -1 -X, + 5x2 + 4x3 = 4 - 2x - X2 3x3 = -4
Find the solutions of 2x1-3x2-7x3+5x4+2x5=-2 x1-2x2-4x5+3x4+x5=-2 2x1+0x2-4x3+2x4+x3=3 x1-5x2-7x3+6x4+2x5=-7
Problem #7: Consider the linear program st. max z = 5x, + 3x2 + xz x + x2 + x3 56 5x2 + 3x2 +6x3 =15 X1, X2, xz 20 and an associated tableau N X1 X2 X3 S1 S2 RHS 1 0 0 5 0 1 15 0 0 0.4 -0.2 1 -0.2 3 0 1 0.6 1.2 0 0.2 3 (a) What basic solution does this tableau represent? Is this solution optimal? Why or why not? (b) Does...
Problem 4.1 Dependent equations? Given: x +2x2 2x+3x, 5 2xx +3x-2x 18 -x, + 3x2 + x3-4x,--6 x 3x2+ 5x 5x, 13 If the set of 4 equations is dependent or independent Find: