For finding vertex, problems like ax^2 such as yours, would be (0,0). Problems like ax^2 + c, would be (0, c) and problems like ax^2 + bx + c, would be solved by -b/2a.
Now back to the question, the vertex would be (0,0). And to find other points, you make a table.
X | Y
2 | -8
1 | -2
0 | 0
-1 | -2
2 | -8
To find the X’s you just put the numbers that are to the left and right of 0 (which is the x of the vertex). Then, you plug in those numbers into the equation and solve. You will notice a pattern with the Y’s every time you make a table for a parabola. I hope this helps :)
Divide both sides by 10/7
13*7/10= 9.10
It costs $9.10 for 1 kg of salami
hope i helped
best of luck :)
The answer is -8. A loss in yardage is a negative.
Answer:
Step-by-step explanation:
a. Systematic sampling
Reason-Every individual will be in the sample. The is referred to as the sampling interval.
-The sampling interval has a random start point but with a fixed, periodic interval.
-This method was appropriate given the homogeneous nature of the population.
-It is also representative given it has no bias.
b. A sample frame is the part of a population from which information is drawn.# In our sample, the sample frame is person.
#No parts c, d as implied in the question