ok this is my lasst question of the night i promise! Find the unique quadratic function that passes through the points (-2, 5), (1,-1), and (6, 29). use matrices to solve
Follow Math Help Forum on Facebook and Google+
Originally Posted by mamajen ok this is my lasst question of the night i promise! Find the unique quadratic function that passes through the points (-2, 5), (1,-1), and (6, 29). use matrices to solve You need to create a sytem of equations given these 3 points. Use Here's the first one You do the next 2, I will then show you the next step.
Originally Posted by pickslides You need to create a sytem of equations given these 3 points. Use Here's the first one You do the next 2, I will then show you the next step. ok here is what i have..... (1, -1) -1=a+b+c (6, 29) 29=36a+6b+c
Originally Posted by mamajen ok here is what i have..... (1, -1) -1=a+b+c (6, 29) 29=36a+6b+c so we have, Which can be written in matrix form as Now you need to find the inverse of a matrix, will be tricky
Originally Posted by pickslides so we have, Which can be written in matrix form as Now you need to find the inverse of a matrix, will be tricky 1, -1, 1 thanks so much for your help!
View Tag Cloud