How many straight lines can you get by translating the image of a linear function y = 3x down 2 units?

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• 1. Given that y = 3x + 5, if you translate his image 2 units up and 1 unit to the left, the linear function of his image is?
• 2. If the line is parallel to the image of the positive scale function y = - 3x and passes through the point (2, - 1), the functional expression of the line is?
• 3. If the positive proportional function y = 3x is parallel to the image of the linear function y = (K-3) x + √ 2, try to find the value of K and explain the reason
• 4. If G (x) satisfies g (1-x) + G (1 + x) = 1, then the coordinate of vector a is () A. （-1，-1）B. （2，32）C. （2，2）D. （-2，-32）
• 5. If G (x) satisfies g (1-x) + G (1 + x) = 1, then the coordinate of vector a is () A. （-1，-1）B. （2，32）C. （2，2）D. （-2，-32）
• 6. If the image of the function y = x ^ 2-3x + 1 is translated according to the vector a = (- 2,1), the analytic expression of the function image is Answer by eleven!
• 7. Function image up and down translation domain unchanged, left and right translation range unchanged, this sentence right?
• 8. (1) Find the domain of definition and range of function y = (x + 2) ^ - 2; (2) how to transform the image of this function image from the image of y = x ^ - 2? (3) find the monotone interval of function y = (x + 2) ^ - 2
• 9. The function y = 1-x & # 179; if the image is translated according to the vector a = (0,1), the function expression corresponding to the translated image is
• 10. It is known that the image of the first-order function y = 3x + 3 intersects with the x-axis at point a and the y-axis intersects with point B, and the image of the second-order function y = - x ^ 2 + BX + C passes through two points a and B 1) There is a point m on the parabola, so that the area of △ mAb is equal to the area of △ OAB, and the coordinates of point m are obtained 2) On the line AB, there is a point P passing through P, making a parabola at the intersection of L / / X axis and C D (C is on the left side of D). If PC + PD = 6, find the coordinates of point P
• 11. Function y = - 2x & # 178; + 4x + 6 opening direction, symmetry axis, vertex coordinates, intersection coordinates with X axis, intersection coordinates with y axis
• 12. Using the image method to find the approximate root of the square 4x-3 = 0 of the quadratic equation of one variable, Using the image method to find the approximate root of the square 4x-3 = 0 of the quadratic equation of one variable, thank you Using the image method to find the approximate root of the square of the quadratic equation x + 4x-3 = 0, Thank you for correcting
• 13. What is the point of view of quadratic equation of one variable?
• 14. How to talk about quadratic equation of one variable from the point of view of function? I'm in urgent need of a courseware or manuscript for teaching quadratic equation of one variable from the point of view of function
• 15. A problem of quadratic equation of one variable from the point of view of function The list lattice is the corresponding value of the independent variable X of the quadratic function y = ax ^ 2 + BX + C and the function value y, and the judgment equation AX ^ 2 + BX + C = 0 The range of a solution X of (a ≠ 0, a, B, C are constants) is_________ (the answer is 6.18 < x < 6.19) x 6.17 6.18 6.19 6.20 y -0.03 -0.01 0.02 0.04 Now that we have known the three points on the quadratic function, we have determined the function graph and the relationship with the x-axis - whether there is an intersection point. Then the solution X of the equation AX ^ 2 + BX + C = 0 determines the value ah, how is the value range
• 16. Quadratic equation of one variable from the point of view of function It is known that the image of quadratic function y = x ^ 2 - (M + 1) x + m intersects two points a (x1,0) and B (x2,0), the positive half axis of intersection Y axis is at point C, and X1 ^ 2 + x2 ^ 2 = 10; (1) Find the analytic expression of quadratic function; (2) Whether there is a straight line passing through point d (0,2.5) intersecting with parabola and points m, n intersecting with X axis at point E, so that points m, n are symmetrical with respect to point E. if there is, the analytical expression of straight line Mn is obtained. If not, the reason is explained
• 17. A problem of quadratic equation of one variable A volleyball invitational tournament should be organized in a certain place. Every two teams participating in the tournament should have a match. According to the venue and time conditions, the first round of the tournament is planned to be 4 days and 7 matches a day. How many teams should the organizer invite to participate in the tournament
• 18. Ask you math masters to help me solve a problem of solving quadratic equation of one variable The square of X - 16x - 9 = 0, how to solve it by factoring, teach me, the best process is detailed, so that I can understand, I can't just copy the answer
• 19. Exercises of quadratic equation of one variable
• 20. Exercises of quadratic equation of one variable