Simplify each radical expression, then tell if the result is irrational or rational
√(1/18)
√(5.6)
-4√(7/8)
thanks if you can help!
2007-07-09 12:45:39 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
1. 1 / 3sqrt(2) = sqrt (2) / 6
2. sqrt (30) / 6
-4 sqrt (7) / sqrt (4*2) = -1 sqrt (14) / 4
2007-07-09 12:53:50 · answer #1 · answered by gfulton57 4 · 0⤊ 0⤋
a million. 10 (10 x 10 = one hundred) 2. 2?6 (4 x 6 = 24. the sq. root of four is two) 3. 3?6 (6 x 9 = fifty 4. the sq. root of 9 is 3) 4. 4?8 (sixteen x 8 = 128. the sq. root of sixteen is 4) 5. 5?3 (3 x 25 = seventy 5. the sq. root of 25 is 5) 6. 4?5 (sixteen x 5 = 80. the sq. root of sixteen is 4.) in certainty all you have gotta do is come across a sq. rootable extensive type that is going into the unique extensive type & positioned the different element below the sq. root sign. desire this facilitates!
2016-11-08 20:49:02 · answer #2 · answered by Anonymous · 0⤊ 0⤋
The answers are:
1) √1/18
1/√(9)2
The answer is: 1/3√2
2) √5.6
√(0.7) 8
2√(0.7) 2
The answer is 2√1.4
3) -4√7/8
-4√7/(4) 2
The answer is -8√7/2
2007-07-09 13:05:09 · answer #3 · answered by michaelangelo 2 · 0⤊ 0⤋
√(1/18) =√(1)/√(9*3)= 1/3√(3) = √(3)/9
√(5.6) √(28/5) = √(4)*√(7)/√(5) = 2√(7)/√(5) = 2√(35)/5
-4√(7/8)= -4√(7)/√(4)√(2) = -2 √(7)/√(2) = -√(14)
2007-07-09 13:01:42 · answer #4 · answered by ironduke8159 7 · 0⤊ 0⤋
√(1/18)=1/√18=1/(√9*√2)=1/(3√2)
2007-07-09 12:54:01 · answer #5 · answered by EGD173 2 · 0⤊ 0⤋