It is known that x = - 2 is the solution of the linear equation 5-ax = x with one variable, and the value of a is obtained

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• 1. It is proved that (ABC + BCD + CDA + DAB) ^ 2 - (AB CD) (BC DA) (CA BD) = ABCD (a + B + C + D) ^ 2
• 2. The solution of X in ax-b = CX + D solve equations
• 3. (ax-b) / (cx-d) maximum Such as the title And what does the function image look like?
• 4. Ax ^ 5 + BX ^ 4 + CX ^ 3 + DX ^ 2 + ex = 0, find the factorial solution of X, that is, the radical solution of X I'm talking about radical solutions, not formula solutions
• 5. If x ^ 2 + X-2 and 2x-1 are factors of ax ^ 3 + BX ^ 2 + cx-5 and ax ^ 3 + BX ^ 2 + x-25 / 16 respectively, find a + B + C
• 6. How to simplify the problem of mathematics from [1 / (x + 1)] * {(x-1) / (x + 3)} + 1] to [1 / (x + 1)] * [2 (x + 1) / (x + 3)],
• 7. [mathematics of senior one] if f (x) satisfies f (x) = - f (x + 3 / 2) and f (- 2) = f (- 1) = - 1, f (0) = 2, then f (1) + F (2) +. F (2009) =?
• 8. Simplify the formula | 1-x | + | 2x + 3 | + | X-5 |
• 9. No computer Who can help to calculate lg3.51 * 10-8 with calculator And lg9.49 * 10-7 (the - 7th power of 10)
• 10. So how to use the M + on the calculator? For example, how to solve the following problem: 3.5 × 8 + 4.5 × 3 + 4 × 4 + 10.5 × 5... I'm wrong
• 11. It is known that the equation of X: ax + 4 = 1-2x is a linear equation of one variable, then the condition that coefficient a should satisfy is______ ．
• 12. Under what conditions is the equation a2x2-2x (2x-1) = ax + 1 of x a quadratic equation of one variable? Under what conditions is it a quadratic equation of one variable? All the X symbols above are unknowns, not multipliers. In addition, A2 represents the square of a, X2 represents the square of X, and the others represent the double relationship.
• 13. In the first quadrant, the intersection point of the first-order function y = x + m and the inverse scale function y = m + 1 / X is p (Z, 3); Analytic expressions of linear function and inverse proportion function
• 14. What happens to the image of the linear function y = ax + B and y = AX2 + BX + C in the same direct coordinate system
• 15. The image of the linear function y = ax-b and y = bx-a in the same coordinate system is roughly the same (A) The two lines intersect in the first quadrant, and the two lines pass through quadrant 124 and quadrant 123 respectively (B) The two lines intersect in the second quadrant, and the two lines pass through quadrant 124 and quadrant 123 respectively (C) The two lines intersect in the second quadrant, and the two lines pass through quadrant one two four and quadrant two three four respectively (D) The two lines intersect in the third quadrant, and the two lines pass through the first three four quadrants and the second three four quadrants respectively I think C or D is the best As there is no picture, please draw the picture by yourself This topic is based on 6 questions on page 11 of the 21-26 bound edition of the Journal of youth intelligence development May I ask why?
• 16. From the perspective of image, the relationship between inverse scale function and y = ax + B / (Cx + D) function is analyzed
• 17. If the equation AX + 1x − 1-1 = 0 about X has no real root, then the value of a is______ ．
• 18. Given the equation about x [(AX) / X-1] - [2 / (1-x)] = 3, no solution 2, try to find the value of A
• 19. Given that the equation 4 (x + 2) - 3 = ax about X has no solution, find the value of A
• 20. If the equation AX-1 = x + a about X has no solution, then the value of constant a should be () A. 1B. -1C. ±1D. 0