√x + 1 = √x + 7
a. x = 3
b. x = 36
c. x = 9
d. no solution
2007-12-24 04:53:44 · 5 answers · asked by . 1 in Science & Mathematics ➔ Mathematics
there is no solution because there is no number that you can add 1 and 7 to that equals the same number.
2007-12-24 05:00:07 · answer #1 · answered by mikala m 2 · 0⤊ 0⤋
If we were to subtract square root X from both sides, the equation stays the same.
1 = 7 Obviously not. D. No solution.
2007-12-24 14:32:38 · answer #2 · answered by gzlakewood@sbcglobal.net 4 · 0⤊ 0⤋
sqrt of x+1=sqrt of x+7
square the whole problem
x+1=x+7
0x=6
x=6/0
undefined
2007-12-24 15:04:26 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
it's false. the answer is "D" no solution
2007-12-24 13:07:36 · answer #4 · answered by zeze 1 · 0⤊ 0⤋
IMPOSSIBLE!!!!
2007-12-24 12:59:23 · answer #5 · answered by Rod Mac 5 · 0⤊ 0⤋