The theme "One Earth, One Family, One Future" emphasized global unity in tackling pressing issues like climate change, economic recovery, and sustainable development. Brazil hosted the summit, highlighting its commitment to these causes.
I. 2x² - 9x + 10 = 0
II. 3y² + 11y + 6 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
I. 3y2 + 13y - 16 = 0
II. 3x2 – 13x + 14 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 41x + 400 = 0
Equation 2: y² - 41y + 420 = 0
I. 6y2- 17y + 12 = 0
II. 15x2- 38x + 24 = 0
I: x2 + 31x + 228 = 0
II: y2 + 3y – 108 = 0
I. 8a2 – 22a+ 15 = 0
II. 12b2 - 47b + 40=0
I. x2 = 10
II. y2 - 9y + 20 = 0
...I. x² - (16)2 = 0
II. 2y - 14 = 0
I). p2 - 26p + 165 = 0
II). q2 + 8q - 153 = 0
