Answer:
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Step-by-step explanation:
Answer:
where a>0.
To graph the the polynomial, begin in the left top of quadrant 2. Then draw downwards to the first real zero on the x-axis at -2. Cross the x-axis and then curve back up to 1/2 on the x-axis. Cross through again and curve back down to cross for the last time at 3 on the x-axis. The graph then ends going down towards the right in quadrant 4. It forms an s shape.
Step-by-step explanation:
The real zeros are the result of setting each factor of the polynomial to zero. By reversing this process, we find:
- zero 1/2 is factor (2x-1)
We write them together with an unknown leading coefficient a which is negative so -a.
where a>0
The leading coefficient of a polynomial determines the direction of the graph's end behavior.
- A positive leading coefficient has the end behavior point up when an even degree and point opposite directions when an odd degree with the left down and the right up.
- A negative leading coefficient has the end behavior point down when an even degree and point opposite directions when an odd degree with the left up and the right down.
- This graph has all odd multiplicity. The graph will cross through the x-axis each time at its real zeros.
To graph the the polynomial, begin in the left top of quadrant 2. Then draw downwards to the first real zero on the x-axis at -2. Cross the x-axis and then curve back up to 1/2 on the x-axis. Cross through again and curve back down to cross for the last time at 3 on the x-axis. The graph then ends going down towards the right in quadrant 4. It forms an s shape.
5) w/8 =11+5 → w/8=16
w=16÷8=2
6)a/-2 -6=1
a/-2=7
a=7×-2=-14
7)k/2=22
k=44
Percentage error
![=\frac{error}{actual measurement} \times 100](https://tex.z-dn.net/?f=%20%3D%5Cfrac%7Berror%7D%7Bactual%20measurement%7D%20%20%5Ctimes%20100%20)
Here error = 16 - 15.4 = 0.6
Therefore, percentage error
![=\frac{0.6}{15.4} \times 100=0.039 \times 100](https://tex.z-dn.net/?f=%20%3D%5Cfrac%7B0.6%7D%7B15.4%7D%20%20%5Ctimes%20100%3D0.039%20%5Ctimes%20100%20)
=3.9%
Answer:
x2+xy-y2
10*2+10*3-3*2
20+30-6
44
Step-by-step explanation:
hope this helps