Find the solution set for the system by graphing both of the system equation in the same rectangular coordinate system and finding points of intersection. Check all solutions in both equations
X^2+y^2=1
X^2+9y^2=9
Complete the square and write the equation in standard form. Then find the center and radius of the circle and graph the equation
X^2+y^2+8x-8y-49=0
Use the guass-jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with z arbitrary.
x-5y+3z=1
3x-2y+3z=-1
The logistic growth function P(x)= 90/1+271e ^{-0.122x}}
models the percentage ,P(x) of Americans who are x years old and have some coronary heart disease. Use the function to find the percentage of 21 year old who have some coronary heart disease.
Find the standard form of the equation of the hyperbola satisfying the given conditions
Center:(3,-4) Focus (10,-4)
Vertex:( 9,-4)
Which of the following is the standard form of the equation of the hyperbola
A job pays a salary of 32000 the first years. During the next 24 years, the salary increases by 7% each year.What is the total lifetime salary over the 25 year period.
A rectangular painting has a diagonal measure of 25 inches and an area of 168 square inches. Use the formula for the area of a rectangle and the Pythogorerean Therorm to find the length and width of the painting.
Solve the given polynomial equation. Use the Rational Zero Theorem and Descartes Rule of Signs as an aid in obtaining the first.
X^4+12x^3+12x^2+12x+11=0
Solve The inequality
5x^3+12x^2≥11x+6