Question
Frequencies of the classes are plotted by dots against
the mid-points of each class and then the adjacent dots are connected by straight lines be called?Solution
Frequencies of the classes are plotted by dots against the mid-points of each class. The adjacent dots are then connected by straight lines. The resultant graph is known as “ frequency polygon” .
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 97x² - 436x + 339 = 0
Equation 2: 103y² - 460y + 357 = 0
I. 6x² - 49x + 99 = 0
II. 5y² + 17y + 14 = 0
I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
I. 4 x ² - 4 x + 1 = 0
II. 4 y ² + 4 y + 1 = 0
...I: x2 - 33x + 242 = 0
II: y2 - 4y - 77 = 0
I. 2x² + 11 x + 15 = 0
II. 2y² - 19 y + 44 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 5x + 6 = 0
Equation 2: y² - 7y + 12 = 0
I. 3y2 + 16y + 16 = 0
II. 2x2 + 19x + 45 = 0
I. 2x² - 15x + 13 = 0
II. 3y² - 6y + 3 = 0
I. y/16 = 4/y
II. x3 = (2 ÷ 50) × (2500 ÷ 50) × 42 × (192 ÷ 12)
