odalysvelasco1 odalysvelasco1

24-09-2018
Mathematics

contestada

h(x)=--x^(2)+8x+15 find the vertex can you show the work .

Respuesta :

03-10-2018

[tex]f(x)=ax^2+bx+c\\\\a\ vertex\ (h,\ k)\\\\h=\dfrac{-b}{2a},\ k=f(h)\\\\We\ have:\\\\h(x)=-x^2+8x+15\\\\a=-1,\ b=8,\ c=15\\\\h=\dfrac{-8}{2(-1)}=\dfrac{-8}{-2}=4\\\\k=h(4)=-4^2+8(4)+15=-16+32+15=31\\\\Answer:\ (4,\ 31)[/tex]

Answer Link

Otras preguntas

Which is the closest synonym for the word ambition, as it is used in the article ? A. dream B. education C. training D. imagination

Al pagar una cuenta de S/ 143 se le cobró una mora del 10%. ¿Cuál era el pago original?

The sum of two numbers is 12 and their difference is 4write down two equations to describe given equationsolve the simultaneous equations to find the two number

what was the importance of the federal highway act of 1956?

Drag each cause to the correct box. Each word may be used more than once. the hydrogen bomb fear of being outdone Sputnik causes of the space race causes of the

At which location would you expect air to have the highest density on a typical winter day?.

Read the following implied thesis statement: Drinking tap water is healthier for you and for the environment. Which choice below is the most effective supportin

Discuss the importance of following a well-integrated change control process on IT projects. What are the consequences that can result from not following the be

Background Info: Tom needs money to pay for education expenses, and he finds a personal loan. The loan would require him to repay the principal in one lump sum

Select the correct answer from the drop-down menu. which phrase best completes the sentence? when you synthesize information from source, you .