5. Find the change of coordinates necessary to express the quadratic form with a matrix A = [₁3] as a quadratic form with no cross-product terms. Use this to graph the set of points such that x Ax= 16.

olo Compute the value of the discriminant and give the number of real solutions of the quadratic equation. 2x+4x-5 = 0 Discriminant: Number of real solutions: Continue O2021 McGraw-Hill Education, All Rights Reserved. Terms of Use P Type here to search DELL prt sc F10 home F11 Esc end F1 F2 F3 F4 F5 F6 F7 F8 F9 F12 %23 &. 1 3 4 5 8. tab W E Y 4. 5n

Select all quadratics which have real zeroes. O f(2) = (z - 4)² – 2 O f(2) - 5a2 - 6z + 2 f(z) = 2x? + 4x + 4 %3D (-) = (= + 3)* 1 O f 2

Which of the following is true about the quadratic fit to the three points: (1,0), (3,2) and (5,3). The quadratic term is -1/8 The constant term is 13/4 The linear term is -2/3 The linear term is 3/2 The constant term is -11/8 The quadratic term is -1/4 000