Ab^2-4/10 when a=4 b=6

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?