A Use technology to solve: i ii iii 2

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

1. a Use technology to solve: i

2x^2 - 12x + 11 = 1

2x^2 - 12x + 11 = -7

iii

2x^2 - 12x + 11 = -10

2. b For which values of

k

does the equation

2x^2 - 12x + 11 = k

have: i two real solutions ii one real solution iii no real solutions? (a) Use technology to solve: i

2x^2 - 12x + 11 = 1

2x^2 - 12x + 11 = -7

iii

2x^2 - 12x + 11 = -10

(b) For which values of

k

does the equation

2x^2 - 12x + 11 = k

have: i two real solutions ii one real solution iii no real solutions?