For the equation y = 2x^2 − 5x + 18, choose the correct application of the quadratic formula.
...
Mathematics, 31.01.2020 08:00 Leftie500
For the equation y = 2x^2 − 5x + 18, choose the correct application of the quadratic formula.
i believe it is a but i am not sure
a - x equals negative five plus or minus the square root of negative five squared minus four times two times eighteen, all divided by two times two
b - x equals five plus or minus the square root of negative five squared minus four times two times eighteen, all divided by two times two
c - x equals negative two plus or minus the square root of two squared minus four times negative five times eighteen, all divided by two times negative five
d - x equals two plus or minus the square root of two squared minus four times negative five times eighteen, all divided by two times negative five
Answers: 1
Mathematics, 21.06.2019 14:30
Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9
Answers: 3
Mathematics, 21.06.2019 18:40
Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2
Answers: 1
Mathematics, 21.06.2019 19:30
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
Answers: 2
Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
Answers: 3
History, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
Arts, 12.03.2021 06:40
World Languages, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
Mathematics, 12.03.2021 06:40
French, 12.03.2021 06:40
Biology, 12.03.2021 06:40
Geography, 12.03.2021 06:40