Ratios are basically a number v a number. Like if your in a group of 30 people and 10 of them are boys, your ratio of girls to boys would be 20:10. That's like really really basic ratio and idk how advanced in rations you are but yeah.
Answer:
im literally doing the same question , i hope someone helps us .
Step-by-step explanation:
Y + 4 + 3(y+2)
y + 4 + 3y + 3*2
4y + 4 + 6
4y + 10
z^2 + z+ 4z^3 + 4z^2
5z^2 + z + 4z^3
1/4 (16 + 4p)
16/4 + 4p/4
4 + p
Answer:

Step-by-step explanation:
Sum of its zeroes=
Product of its zeroes=
=
Formula to form a quadratic polynomial:
![p(x)=k[x^{2} -(\alpha +\beta )x+\alpha \beta ]](https://tex.z-dn.net/?f=p%28x%29%3Dk%5Bx%5E%7B2%7D%20-%28%5Calpha%20%2B%5Cbeta%20%29x%2B%5Calpha%20%5Cbeta%20%5D)
p(x)=![k[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]](https://tex.z-dn.net/?f=k%5Bx%5E%7B2%7D%20-%28%5Cfrac%7B21%7D%7B8%7D%20%29x%2B%5Cfrac%7B5%7D%7B16%7D%5D)
p(x)=![16[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]](https://tex.z-dn.net/?f=16%5Bx%5E%7B2%7D%20-%28%5Cfrac%7B21%7D%7B8%7D%20%29x%2B%5Cfrac%7B5%7D%7B16%7D%5D)
p(x)=![[16x^{2} -42x+5]](https://tex.z-dn.net/?f=%5B16x%5E%7B2%7D%20-42x%2B5%5D)
The quadratic polyniomial is 