Solve each equation for the indicated variable: u=p-2x+ay, solve for a

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?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10