Find the value of 4x^2 - 2y when x = 3 and y = 2.

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Mathematics

1 April, 22:22

Find the value of 4x^2 - 2y when x = 3 and y = 2.

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Answers (1)

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Jovanni Booth · Answer 1

The answer is 32.

Step-by-step explanation:

Remember that order of operation is very important in this problem.

Substitute x for 3 and y for 2 in the equation.

When solving the first term, we must note that we have to square the 3 first before we multiply it by 4. So, 4 (3) ^2 is basically 36. To simplify the second term you just have to do 2*2, which is 4. 36-4=32, which is the answer.