Questions and answers by

Katie S

Questions (7)

Simplify:n!-(n-1)! --------- (n-1)!
1. 1 answer
2. 381 views
Complete the square to find the center and the radius of the circle.3x^2+3y^2-12x+24y+15=0
1. 1 answer
2. 576 views
x^2+y^2=625Find an equation of the line that is tangent to the circle at this point.
1. 1 answer
2. 436 views
x^2+y^2=625Verify that (-24,7) lies on the circle.
1. 1 answer
2. 417 views
Determine k and solve the equation:x^3-kx^2+3x+54=0, if one of it zeros is triple of another.
1. 1 answer
2. 390 views
Find the Domain of the function:f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15
1. 1 answer
2. 468 views
Solve for x:|4x+6|-|2x-1|<5
1. 1 answer
2. 408 views