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Here's some of them. I got tired of doing inequalities 1. x > 2/3 or x < -2 2. 6/5, -2 3. -2 <= p <= 6 4. r not equal to 4 5. 1.25 < n < 3.75 6. t = 0,3 7. k < -1 or k > 1/3 19. 14,16,18 or 16
Systems 2 1. A, 2. D, 3. A, 4. D, 5. B, 6. B, 7. D, 8. C, 9. B, 10. C Systems 3 1. A, 2. B, 3. B, 4. B Systems 4 1. A 2. 6x+4y=-4, 6x-9y=30, subtract to get 17y=-34 so y=-2, x=2, 3. D, 4. D Systems
1. A, 2. B, 3. B, 4. B, 5. A, 6. A 7. 9x+12y=-6, 8x12y=40, add equations to get x=2, y=-2 8. C, 9. D, 10. C 11. add equations to get 2x=10, x=5, y=2 12. D 13. 2x+y=46, y=x+4, x=14, y=18 14. m+5f=25
One way to search for roots for these equations is to write it f(x) = 5x^4+9x^3+5x^2+2x+4 Put in a value for x and calculate f(x). If x is a root, f(x) = 0. For this equation, any positive value
1. length and width, cost per sq. yard, 6.5% tax 2. square yards, cost of carpet, amt. of sales tax, total cost 3. convert inches to feet by dividing by 12. convert sq. ft. to sq. yards by dividing
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