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Popular Word Problems >

the cube root of the square of a number decreases by 2 is equal to 4. Find the number

Solution

t h e c u b e roo t o f t h e s q u a re o f a n u mb er d ecre a ses b y 2 i s e q u a l t o 4. F in d t h e n u mb er

Solution

The number : 66 or - 66

Solution steps

Represent the number with

x

A.T.Q.:

3 x^{2} - 2 = 4

Solve for

x, 3 x^{2} - 2 = 4 : x = 66, x = - 66

The number : 66 or - 66

Popular Examples

the sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.the sum of two consecutive numbers is 83. find the numbers.three numbers are in the ratio 3:7:9, if their sum is 904, what are the numbers three numbers are in the ratio 2:4:5. if the sum of the three numbers is 209. what are the numbers the numerator of a fraction is 4 less than the denominator. If the value of the fraction is 3/4 find the fraction