What 8.876 to the nearest whole number

8.876=9(nearest whole no.)

The rule of rounding is 4 or below rounds down and 5 or more rounds up. The second eight is what you need to focus on. Eight is greater than 5 so you would round up which gives you the answer of 9.

It creates dogx^2 and then flip your answer and multiply by 2

The answer will be y=-5+0 because the slope is -5 and the it has to go through y-axis 0