algebra help with quadratic functions

User Generated

zlanzr6

Mathematics

Description

if the point (1,-2) lies on the graph it satisfies the equation y=ax^2+bx+c

substitute _____ for x and _____ for y to get -2=a+b+c

User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Explanation & Answer

y = ax^2 + bx + c

Putting x = 1 and y = -2, then

- 2 = a(1)^2 + b(1) + c

- 2 = a(1) + b + c

- 2 = a + b + c

Hence .


Anonymous
I was struggling with this subject, and this helped me a ton!

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4

Related Tags