## Algebra 1

Quadratic $y=2.8x^2$
$2.8-0=2.8$ $11.2-2.8=8.4$ $25.2-11.2=14$ $44.8-25.2=19.6$ $8.4-2.8=5.6$ $14-8.4=5.6$ $19.6-14=5.6$ $y=ax^2$ $2.8=a(1)^2$ $2.8=1*a$ $2.8 = a$ $y=2.8x^2$