x=2.75 This follows from the equation (4x - 3) + 11 = 19 and 4x = 11
7
-4x + 3y = 9
3y = 4x + 9 -4x + 3y = 9 is the standard form
2x + 33 = 4x + 11 -11 -11 2x + 22 = 4x -2x -2x 22 = 4x Divide each side by 4 x = 5.5
-11
= 3
x=2.75 This follows from the equation (4x - 3) + 11 = 19 and 4x = 11
7
-4x + 3y = 9
3y = 4x + 9 -4x + 3y = 9 is the standard form
2x + 33 = 4x + 11 -11 -11 2x + 22 = 4x -2x -2x 22 = 4x Divide each side by 4 x = 5.5
x^2+4x+7
4x - 11 = 0
y=4x+2
The vertex of the positive parabola turns at point (-2, -11)
(-1, 2)