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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)=64
8.6+x=2
9. x-3=9
10. 6-x/2 =21