gabbygabby223
gabbygabby223 gabbygabby223
  • 01-06-2017
  • Mathematics
contestada

The vertex of this parabola is at (2,-1).when the y value is 0,the x value is 5.what is the coefficient of the squared term in the parabolas equation

Respuesta :

gerishonwambugu
gerishonwambugu gerishonwambugu
  • 01-06-2017

Vertex form: 
y = a(x-2)^2 -1 
solve for a: 
0 = a(5-2)^2 -1 
1 = a(3)^2 
1 = 9a 
a = 1/9
Answer Link

Otras preguntas

plz help sentence of phrase and clause​
which refers to a muscle is stretched too much and tearsA.fratureB.strainC.sprainD.dislocation​
Why was miasma theory replaced? O John Snow collected data that showed that germs cause disease. O John Snow collected data that showed there was another cause
-2x-3y=-16; 5x+9y=40
2. a. Describe What are the factors of production?
2. Explain why a psychiatrist cannot diagnose "insanity".​
Under his cell phone plan, Samuel pays a flat cost of $41.50 per month and $5 per gigabyte. He wants to keep his bill at $52.50 per month. Write and solve an eq
Which graph represents the solution to the compound inequality? -6<3x-12 s9 1 2 O o3 6 9 12 15 O 30 369 12 15
(Science) Determine the number of atoms of each element that makes the following compound: CaCl2. Be sure to select zero if an element is not present in the com
Is 2.3 + (-2.4) positive number