Which graph represents data in a linear regression that produces a correlation coefficient closest to 1? B C D The data collected by a biologist showing the growth of a colony of bacteria at the end of each hour are displayed in the table below. Determine the type of equation to best model this data and the equation of best fit. Function: _________________ Equation: y = ___________________ A rock is tossed into the air with an upward velocity of 24 ft/s. Its height, h, in feet after t seconds is given by the function h = -16t2 + 24t + 6. In how many seconds does the ball reach its maximum height? Round to the nearest tenth if necessary. 1.5 C. .75 3 D. 24 Identify if the following statements are true or false based on the box plot below: Store A’s 3rd quartiles is 20 more than Store B Store A has a greater range than Store B Store B’s data is skewed to the right The median of Store B greater than Store A What is the vertex of the parabola below? What number would you fill in the “?” to make the polynomial a perfect square trinomial? x2 – 14x + _____?____ = 0 What is the vertex of the following equation? y = -4(x + 5)2 - 7 10. When factoring x2 – 6x + 9 = 12, what goes in the blank? (x –_____ ) 2 = 12
Which graph represents data in a linear regression that produces a correlation coefficient closest to 1? B C D The data collected by a biologist showing the growth of a colony of bacteria at the end of each hour are displayed in the table below. Determine the type of equation to best model this data and the equation of best fit. Function: _________________ Equation: y = ___________________ A rock is tossed into the air with an upward velocity of 24 ft/s. Its height, h, in feet after t seconds is given by the function h = -16t2 + 24t + 6. In how many seconds does the ball reach its maximum height? Round to the nearest tenth if necessary. 1.5 C. .75 3 D. 24 Identify if the following statements are true or false based on the box plot below: Store A’s 3rd quartiles is 20 more than Store B Store A has a greater range than Store B Store B’s data is skewed to the right The median of Store B greater than Store A What is the vertex of the parabola below? What number would you fill in the “?” to make the polynomial a perfect square trinomial? x2 – 14x + _____?____ = 0 What is the vertex of the following equation? y = -4(x + 5)2 - 7 10. When factoring x2 – 6x + 9 = 12, what goes in the blank? (x –_____ ) 2 = 12
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