What's the square root of negative 49

The areas of the squares adjacent to two sides of a right triangle are shown below. 3 3 units 2 33 units 2 4 4 units 2 44 units 2 ? ? what is the area of the square adjacent to the third side of the triangle?

The graph of the quadratic function shown on the left is y = –0.7(x + 3)(x – 4). the roots, or zeros, of the function are . determine the solutions to the related equation 0 = –0.7(x + 3)(x – 4). the solutions to the equation are x =

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet