(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

y=3(x+1)² - 8

y=3(x-1) ² - 8

y=3(x+2)² - 8

y=3(x-2)² - 8

y=4(x+4)² - 62

y=4(x-4)² - 62

y=4(x-8)² - 62

y=4(x+8)² - 62

y=1/2(x-4)² - 29

y=1/2(x+4)² - 29

y=1/2(x+8)² - 29

y=1/2(x-8)² - 29

y=-2(x+12)² +77

y=-2(x-12)² +77

y=-2(x-6)² +77

y=-2(x+6)² +77

y=-(x-5)² + 21

y=-(x+5)² + 21

y=-(x+10)² + 21

y=-(x-10)² + 21

y=1/3(x+3)² - 29

y=1/3(x-3)² - 29

y=1/3(x-9)² - 29

y=1/3(x+9)² - 29

axis of symmetry

vertex

parabola

roots or x-intercepts

y=(x+2)(x-1)

y=(x-2)(x+1)

y=(x-2)(x-1)

y=(x+2)(x+1)

negative

positive

0

infinite