Author Question: Easy grade 10 question quadratics equation? (Read 1428 times)

Jones

  • Full Member
  • ***
  • Posts: 145
A parabola with the vertex of (0,0) that passes through the point, (-1, -3). Write the equation in vertex form.

10 points?



j_sun

  • Sr. Member
  • ****
  • Posts: 384
A parabola with a vertex at (h,k) can be written in this form:
y-k = a(x-h)^2

So all we have to do now is found out the values of a, h, and k.

You're given the vertex point as (0,0), so both h and k are zero.  To find the value of 'a', plug in the other given point and solve for 'a'.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library