Radical
Find gof(x) if
f(x)=3-x
g(x)=x^2-4
x^2-6x+5
Solve
9^(4x+4)=243^(2x+2)
-1
For what value(s) of x is the following expression undefined
(x^2-9)/(2x^2-3x-9)
-3/2, 3
Find the distance between
A(4, -2) and B(10, -7)
sqrt(61)
Simplify
root(3)(24a^6b^5)
2a^2broot(3)(3b^2)
Evaluate
log_4(128)
Evaluate
7/2
Simplify
2/(x-2)-8/(x^2-4)
Solve
2/(x+2)
Write an equation for the circle with center (-4, 2) that is tangent to the y-axis
Solve
(x+4)^2+(y-2)^2=16
Simplify
5sqrt72+sqrt75-sqrt288
18sqrt2+5sqrt3
Solve
log_4(n)=1/4log_4(81)+1/2log_4(25)
15
Find the LCM
n^2-2n-8
n^2+2n-24
(n+2)(n-4)(n+6)
Write an equation for the parabola with
focus (4, 4) and directrix x=-2
Solve
x=1/12(y-4)^2+1
Simplify
x/(x^(1/2).x^(1/3))
x^(1/6)
Solve
log_2(2x+6)-log_2(x)=3
1
Solve
5/(y-3)+10/(y^2-y-6)=y/(y+2)
10
Write the following equation in standard form. Identify the coordinates of the vertex, the axis of symmetry and the direction of opening of the parabola.
y^2-8y+18=x
x=(y-4)^2+2
(2, 4), y=4, right
Solve
4-sqrt(5y-10)<=-1
y>=7
Solve
ln(x+3)+lnx=ln4
1
Solve
1/(6x)+2/(3x)<5/9
x<0 or x>3/2
Write an equation for the ellipse that satisfies the following set of conditions:
major axis 12 units long and parallel to the y-axis, minor axis 8 units long, center (-2, 5)
(y-5)^2/36+(x+2)^2/16=1