Mathematics, 23.06.2021 01:00 861819
The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.
Step 1: –c = ax2 + bx
Which best explains or justifies Step 1?
subtraction property of equality
completing the square
factoring out the constant
zero property of multiplication
Answers: 3
Mathematics, 21.06.2019 16:20
He concluded that a heavier object dropped from the same height as a lighter object will land
Answers: 2
Mathematics, 21.06.2019 17:00
Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?
Answers: 1
Mathematics, 21.06.2019 17:30
The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?
Answers: 2
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is...
Mathematics, 15.09.2021 15:00
Mathematics, 15.09.2021 15:00
Computers and Technology, 15.09.2021 15:00
Mathematics, 15.09.2021 15:00
English, 15.09.2021 15:00
Mathematics, 15.09.2021 15:00
Mathematics, 15.09.2021 15:00
Computers and Technology, 15.09.2021 15:00
Computers and Technology, 15.09.2021 15:00
Business, 15.09.2021 15:00
Mathematics, 15.09.2021 15:00
Engineering, 15.09.2021 15:00
History, 15.09.2021 15:00