the curve y=ax³ +bx² -x+5 has a point of inflexion at (1,-2). find the values of a and b

Question

31-01-2015
Mathematics

Answered

Westonci.ca connects you with experts who provide insightful answers to your questions. Join us today and start learning! Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

the curve y=ax³ +bx² -x+5 has a point of inflexion at (1,-2). find the values of a and b

Sagot :

Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Get the answers you need at Westonci.ca. Stay informed with our latest expert advice.

Which statement best illustrates the relationship between three different elements of the circular flow of products?A. Households design new products for busine

What makes the amide nitrogen of glutamine active to be used as a substrate for glutamine amidotransferase?A. Pyrophosphate transferB. Carboxylic group transfer

After a needle is placed, what should occur? A. Patient should walk 10-20 steps unassisted or move their arms/legs for 30-60 seconds (if physically unable to wa

fill out everything; Lines AB* and CD* (if present in the picture) are straight lines. Find x. (The pictures are not scaled).

From the economic point of view, why might a retired couple spend four hours a day on the golf course when they could have spent their time becoming better info

Question 1(Multiple Choice Worth 4 points) (MC)What effect did the Soviet launch of Sputnik have on the United States? It revitalized McCarthyism. It led to

Jacob is cutting a tile in the shape of a parallelogram. Two opposite angles have measures of [tex]$(6n - 70)^{\circ}$[/tex] and [tex]$(2n + 10)^{\circ}$[/tex].

Mrs. Hernandez is one of your clients. She has read that there is a new program that may help her manage prescription drug costs. What do you tell her about the

The agile leader views leadership as which of the following?A. Creating disruption or disequilibriumB. Doing the job really wellC. Acting within formal and info

Which of the following is the equation of a line that passes through the points [tex]$(1,6)[tex]$[/tex] and [tex]$[/tex](2,1)$[/tex]?A. [tex]y = -5x + 1[/tex]B.

konrad509 konrad509 · Answer 1 · 2015-01-31T07:37:57-05:00

konrad509 konrad509

31-01-2015

[tex]y=ax^3+bx^2-x+5\\ y'=3ax^2+2bx-1\\ y''=6ax+2b\\\\ 0=6a\cdot1+2b\\ 6a+2b=0\\ 3a+b=0\\ b=-3a\\\\ -2=a\cdot1^3-3a\cdot1^2-1+5\\ -2=a-3a+4\\ -2a=-6\\ a=3\\\\b=-3\cdot3\\ b=-9[/tex]

Answer Link

Sagot :

Other Questions