Radical Equations and Extraneous Roots

Which of the following is a radical equation?

7squr x=14

squr x+11=15

squr x=15-11

The formula that relates the length of a ladder, L, that leans against a wall with distance d from the base of the wall and the height h that the ladder reaches up the wall is mc024-1.jpg. What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall?

14.6 feet

(45-3x)^1/2=x-g?

X=3

Which of the following is a radical equation?

squr x+3+13

Which of the following is a radical equation?

squr x+3=13

SQUR x+10-1=x

x + 10 = x2 + 2x + 1

squr -3x-2=x+2

x = -6

squr 4x+41=x+5

x = -8

squr x^2+81=x+10

x2 + 81 = x2 + 20x + 100

squr 1-3x=x+3

x=-1

squr -3x-2=x+2

x=-6

3squr x+8=-4

x=-72

squr 4x+41=x+5

x=-8

squr x^2+49=x+5

x=12/5

squr 2x+4=16

x=126

x=2+squ x-2

x=2 or x=3

(8x-8)^3/2=64^?

x=3