Can you help me with number 3 plz

Step-by-step explanation:

-x² + 6x - 9 = -(x² − 6x + 9)

= -(x - 3)²

then

the vertex is (3 , 0)

and the parabola is oriented down due to the minus sign at the beginning of the quadratic equation.

75

step-by-step explanation:

step-by-step explanation:

y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)