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