Given the ordered pair, (1, 1/2) what is the constant of proportionality

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49