Transformations of Quadratic Functions — Unit test Answers

Stacey has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of the smaller square is the area of the original square. What was the side length of the original square?A = s2

The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 – 5t2, where t is the time in seconds. A high-speed camera is ready to film the person between 15 m and 10 m above the ground. For which interval of time should the camera film the person?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4?

Which equation has a graph that lies entirely above the x-axis?

Which values of x and y would make the following expression represent a real number?(4 + 5i)(x + yi)