Write the coefficients and terms of the algebraic expression 10x2"

Question

Write the coefficients and terms of the algebraic expression

10 x^{2} - 5 x - 6

. Also, find the value of the expression at

x = 2

. [2 MARKS]

Answer:
:
Coefficients and terms: 0.5 Mark each
Value of the expression: 1 Mark
Coefficients of

x^{2}

and

x

are 10 and - 5 respectively
Terms are

10 x^{2}

- 5 x

and

- 6

We have to find the value of the expression at

x = 2

10 \times 2 \times 2 - 5 \times 2 - 6

40 - 10 - 6

24

Hence, the value of the expression at

x = 2 i s 24

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