Quadratic Function - Vertex Form

(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

roots or x-intercepts

parabola

axis of symmetry

Horizontal line

(1,-3)

(-1,3)

(-1,-3)

(1,3)

$$f\left(x\right)=-2\left(x-1\right)^2$$

$$g\left(x\right)=-3\left(x+5\right)^2-1$$

$$h\left(x\right)=-\left(x-4\right)^2-1$$

$$r\left(x\right)=-\left(x+4\right)^2-1$$

$$r\left(x\right)=\left(x+4\right)^2-1$$

$$r\left(x\right)=-\left(x-4\right)^2+1$$

$$r\left(x\right)=\left(x-4\right)^2+1$$

$$f\left(x\right)=\left(x-1\right)^2+4$$

$$f\left(x\right)=\left(x+4\right)^2-1$$

$$f\left(x\right)=-\left(x-1\right)^2+4$$

$$f\left(x\right)=-\left(x+4\right)^2-1$$