The area of a square is (4a2 − 20a + 25) square units. determine the length of each side of the square by factoring the area expression completely. show your work. (5 points)
part b: the area of a rectangle is (9a2 − 16b2) square units. determine the dimensions of the rectangle by factoring the area expression completely. show your work. (5 points)

question 2:
an expression is shown below:

f(x) = 5x2 + 2x − 3

part a: what are the x-intercepts of the graph of f(x)? show your work. (2 points)

part b: is the vertex of the graph of f(x) going to be a maximum or minimum? what are the coordinates of the vertex? justify your answers and show your work. (3 points)

part c: what are the steps you would use to graph f(x)? justify that you can use the answers obtained in part a and part b to draw the graph. (5 points)