Radical Equations 1
sqrt(x+7)=5
What is x = 18?
sqrt(x)+7 = 12
What is x = 25?
2/x=5/(3x+4)
What is x = –8?
3/(2x-5)=5/(x+10)
What is x =
55/7
sqrt(125x^6y^7
What is
5x^3y^3sqrt(5y)
sqrt(2x+13)=sqrt(x+8)
What is x = –5?
sqrt(28-2x)=sqrt(2x-12)
What is x = 10?
(3x+3)/(4x)+1/(2x)=1/2
What is x = –5?
8/n^2+5/n=5/(3n)
What is n =
-12/5
Slope of the line containing (18, 8) and (–8, –5).
What is
1/2
sqrt(10+x/4)+2 = 7
What is x = 60?
6+sqrt(2x+3)=7
What is x = –1?
(x+6)/(4x^2)+(x-3)/(2x)=1/4
(x+6)/(2x^2)-(x+6)/(8x^2)=1/8
What is x = 6, –3?
(5sqrt(3)-5sqrt(2))/sqrt(6)
What is
(15sqrt(2)-10sqrt(3))/6
x = sqrt(13x-42)
What is x = 6, 7?
x = sqrt(45-4x)
What is x = 5?
(the –9 is extraneous)
3/(x^2+3x)=5/x-1/(x^2+3x)
What is x =
-11/5
1/(x+5)+(2x)/(x^2+13x+40)=(-8)/(x+8)
What is x =
-48/11
(sqrt(2)+2sqrt(5))(5sqrt(5)-sqrt(2))
What is
48 + 3sqrt(10)
x=5+sqrt(6x-35)
What is x = 10, 6?
n-2 = sqrt(2n-1
What is n = 5?
(the 1 is extraneous).
(x+3)/(x+5)+(4x+8)/x=1/(x+5)
What is x = –4, –2?
(x-3)/x-3/(x+3)=1/(x^2+3x)
What is x = 5, –2?
Equation of the line parallel to
y=2/3x+1 containing point (15, –3)
What is
y=2/3x-13