Mathematics, 05.07.2019 05:00 anrs14
Solve the quadratic equation by completing the square. 2x^2 + 2 = 3x express your answer in simplified form. here's my answer, is this correct? 2x^2 + 2 = 3x 2x^2 - 3x + 2 = 0 x^2 - 3/2x + 1 = 0 x^2 – 3/2x = -1 x^2 + 3/2x + 9/16 = -1 + 9/16 (1/2 × -3/2)^2 = 9/16 x^2 + 3/2x + 9/16 = -7/16 (x + ¾)^2 = -7/16 √(x + ¾)^2 = ±√-7/16 x + ¾ = ± i√7/√16 x + ¾ = ± i√7/4 x = -3/4 ± i√7/4 {-3/4 - i√7/4, -3/4 + i√7/4}
Answers: 1
Mathematics, 21.06.2019 15:30
Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16
Answers: 2
Mathematics, 21.06.2019 16:00
Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).
Answers: 3
Mathematics, 22.06.2019 01:00
Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?
Answers: 1
Mathematics, 22.06.2019 02:00
Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.
Answers: 2
Solve the quadratic equation by completing the square. 2x^2 + 2 = 3x express your answer in simplifi...
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