Traditional Culture Encyclopedia - Almanac inquiry - 20 18 what is the fortune of the zodiac tiger?
20 18 what is the fortune of the zodiac tiger?
The eight-character "marriage numerology prediction" may lead to your bad fortune now, and you want to improve it as soon as possible, or you want to know that your fortune will be adjusted and improved according to the current situation of your friends, thus promoting your career fortune and health fortune. What do you think of traditional numerology or fortune? +main Ta. O, o, \ Wei/Synchronization 2, 6, 4, 8, 6, 1 and 0.
The intersection of the quadratic function y=ax2+bx+c and the y axis is (0, c). Since the intersection is below the point (0 "c" 2), we can know that 0 "c" 2. (The intersection point is on the positive semi-axis of the Y axis), so it is easy to know that a "0. (Parabolic opening downward).
Y=ax2+bx+c and x axis intersect at points (-2,0), (x 1, 0) and 1
(-1/2 is the midpoint between -2 and 1), 0 "b/a"1and b "0, so a" 0; B<0, so ② is correct.
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