NMMS Rajasthan Maths 2021 Practice Question

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NMMS Rajasthan - Questions - Maths - PYQ - 2021 - 155

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NMMS Rajasthan · SAT · 2021 . PYQ

If x = -3, then value of expression 25 - 3x² is -

Explanation

Substitute x = -3 into the expression: 25 - 3(-3)² = 25 - 3(9) = 25 - 27 = -2. Remember that squaring a negative number gives a positive result, so (-3)² = 9. So the correct answer is -2, option (4).

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Re-check your working by substituting the answer back into the original question.

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