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Finding the Value of an Expression

Out of the fo...

Question

Question 14

Out of the four options, only one is correct. Write the correct answer.

The value of $3 x^{2} - 5 x + 3,$ when x = 1 is

(a) 1
(b) 0
(c) -1
(d) 11

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Solution

Putting x = 1 in the given equation we get,
$3 x^{2} - 5 x + 3 = 3 (1)^{2} - 5 (1) + 3 = 3 - 5 + 3 = 1$
Hence, option (a) is correct.

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Finding the Value of an Expression

Standard VII Mathematics

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