The vertex of this parabola is at (-2, 1). Which of the following could be its equation?
5
(-2,1)
A. x = 4(y + 1)2 - 2
O B. x = 4(y-1)2-2
O C. y = 4(x - 2)2-1
D. y = 4(x - 2)2 + 1

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Which representation has a constant of variation of -2.5

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30