C. Express each of the following in mathematical symbols.( write on the spaced provided)
1) The cube of a number decreased by its square.
2) The square of a number plus the number.
3) Four times a number diminished by six.
4) The square of the sum of x and y.
5) The suin of a number and its reciprocal
6) Four times a number is equal to fifteen.
7) Four times the difference between a number and three is equal to twenty-four.
8) A number added to six equals two.
9) Three subtracted from a number equals nine
10) Six minus a number divided by two is equal to twenty-one
Answers & Comments
Answer:
1) x³-x²
2) x²+x
3)4x-6
4) (x+y)²
5) x+1/x
6) 4x=15
7)4(x-3) =24
8) 6+x= 2
9) x-3 = 9
10) (6-x)/2 = 21