Find a formula for the quadratic form that does not use matrices. 2 -5 [ * y ] -5 7 -5 [ x y -5 7

Find the matrix of the quadratic form. Assume x is in R². a. 9x² - 16x₁x₂ +6x²2 b. 4x² + 12x₁x₂ 50 1 a. The matrix of the quadratic form 9x² - 16x₁x₂ + 6x² is. (Simplify your answer.) Part 1 of 2

Use row operations to change the matrix to reduced form. 10 -2 1 0 1 4 0 0 - 15 10 -2 1 0 1 4 0 0 5 - 15

M¹ = 3 1 -4 -1 Find the value in the first row and first column of the product M M using matrix multiplication. Select the correct expression below and fill in the answer box to complete your selection. OA. (-4-1)+(-1-4)= (Simplify your answer.) OB. (3-1)+(1.3)= (Simplify your answer.) OC. (3-1)+(1-4)= (Simplify your answer.) OD. (-4--1)+(-1-3)= (Simplify your answer.) wan example D 4 Get more help - ER F 5 T G 6 J 7 H hp J JL الا C|VB|N 8 T *** M C 9 > الشال K 1- Clear all ( alt ? - 7 Check answer 9:14 PM CD 12/7/2022 45 1 pause ctrl 1