III. GRAPH the following Quadratic Equations given its table of values on each coordinate plane.
1.y = x² + 4
X 2 1 0 -1 -2
y 8 5 4 5 8
2.y= x² + 2x + 1
x 2 1 0 -1 -2 -3
3.y= -2x²
x 2 1 0 -1 -2
y -8 -2 0 -2 -8
4. y = 3x² - 3
x 2 1 0 -1 -2
y 9 0 -3 0 9​