1. Which of the following functions represent a quadratic function? a. y=x+5 b. y = 7-x2 2. Which of the following is not a quadratic function? a. f(x) = 2x - 1 b. f(x) = 2x2 + 3x +5 3. Which of the following quadratic functions is in the standard form? a. y = 3+ x2 b. y = (x- 1)2 +2 4. Which of the following situations can be modelled using quadratic function? a. The area of a rectangular lot b. The perimeter of a parking space c. The amount of gasoline consumed in a given distance d. The fare of a passenger after travelling a certain distance 5. Which of the following table of values represents a quadratic function? c. x= y2 +3 d. y = x- 22 c. y = 1-9x2 d. y = 3x + 7x? c. y =-2(x+5)² – 4 d. y = x2 -5 -3 -2 -1 0. 1 3. -28 -9 -2 -1 26 a. -3 -2 -1 0. 8. -1 b. 38 23 3.

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.