1. 2×2-4xy+8y2+7=0 2. 2xy-x+y-3=0 3.x2-y2+4=0 Solution >0 hyperbola, <0 ellipse, =0 parabola unless it’s a degenerate form such as 2 intersecting lines, a point, 2 lines 1 b^2 -ac = 2^2-2(8) =-12 <0 ellipse 2 b^2 -ac = 1^2 =…
Enter the polynomial Solution (x – (-2 – 4i)) ( x – (-2 + 4i)) (x- -3)(x – -3) = (x +2 + 4i)( x +2 – 4i)(x+3)(x+3) = [(x+2) + 4i ][ (x+2) – 4i] (x+3)^2 =…
Describe a situation with two variables that you can represent with an equation that uses two operation. Explain the relationship between the variable. Solution Finding the average of two numbers…. You add them together and then divided the total by…
Craig is the captain of a large cargo ship that is docked in New York City. He is staying at a hotel on the corner of 3rd Street and 7th Avenue, while the boat is docked on the corner of…
Craig’s cargo ship must travel from New York City, USA to Southampton, England. The two points are N(-3250, 2816) and S(-72, 3505) where x represents the miles west of the prime meridian and y represent the miles north of the…
Find an equation of the ellipse that has vertices (4, 2) & (-2, 2) and foci (3, 2) and (-1, 2) Solution
How many years would it take for the debt of a compound interest loan to grow by 46% if the annual compound interest rate is 2.9%? Round your answer to the nearest tenth of a year. Solution 1.46P = P(1.029)^T…
Michael and Stephanie are selling cookies for a school fundraiser. Customers can buy boxes of either chocolate chip or oatmeal cookies. Michael sold 14 boxes of chocolate chip cookies and 6 boxes of oatmeal cookies for a total of $160.…
Compute the annual compound interest rate required to double the size of a debt in 11 years. Round your answer to the nearest tenth of a percent. Solution
Julian earns $14.50 per hours .His company deducts 23% of his pay each week for taxes . Julian uses the expression 0.77 (24.50 h) to compute his earnings after taxes for the hours h he works . What will be…
