If using the method of completing the square to solve the quadratic equation x2 – 8x – 1= 0, which number would have to be added to "complete the square"?

Sasha invests $1000 that earns 8% interest compounded annually. write a function that describes the value, v, of the investment after t years.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)