The sum of a quadratic term, a linear term, and a constant in descending order ax^2 + bx + c* 5

-point-slope form
-standard form
-slope-intercept form
-vertex form

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm