BryanLozano BryanLozano
  • 21-09-2017
  • Mathematics
contestada

A parabola y=1/2x^2-4x+21 can you help me find the vertex form of this parabola please and thank you :)

Respuesta :

Аноним Аноним
  • 23-09-2017
Ok 
First factor out the first 2 terms as follows:-

y  = 1/2(x^2 - 8x) + 21

Now complete the square on x^2 - 8x:-

y = 1/2[ (x - 4)^2 - 16] + 21

y = 1/2(x - 4)^2 - 8 + 21

y = 1/2(x - 4)^2 + 13   Answer


Answer Link

Otras preguntas

What is a synonmyn for coat
If a square has an area of 81 square units how long is each side?
The maximum energy available for useful work from a spontaneous reaction (A) free energy (B) lattice energy (C) kinetic energy (D) activation energy (E) ionizat
how did the Soviet Union's foreign policy goals contradict one another ?
solve the problem explain your answer  6/7m = 5/6
what is 3/14 divided by 4/7? Answers: A 3/8 B 12/21 C 2 and 2/3 D 3/4
put the rainfall measurements in order from least to greatest.0.97 meters0.947 meters1.5 meters1.268 meters
how did innovation in industry, travel and communication change the lives of American in the 1800s
seven less than the product of twice a number is greater than 5 more the same number which integer satisfies this inequality
You fill a balloon with 2.50 moles of gas at 25°C at a pressure of 1.49 atm. What is the volume of the balloon?