Math, asked by vasanthrao521, 11 months ago

1. MULTIPLE CHOICE QUESTIONS:
If x- . then the value of 4x² + 8x + 18 is
(a) a + 2a +8
(b) a++ 3a + 18
(c) a? + 4a + 18
(d) a? + 5a +18
Je n'n + 1)(2n + 1)
represents sum of the squares of first'n' natural numbers, then its value when
n = 10 is
(a) 365
(b) 375
(C) 395
(d) 385
Degree of the monomial x'yºg'is
(a) 15
(b) 9
.
(c) 8
(d) 13
The equivalent expression of 2x - 3x2 - 8x - 3 is
(a) 3xl-5x + 7x2 - 5x2- 8x + 10x - 4+1
(b) 3x - x - 5x2 + 2x2 - 9x + x - 7 + 4
(c) 4x'- 6x2-3x + 3x3 + x2 - 9x + 3x + 6-3
(d) 4x°- 2x + 3x - 5x? - 8x + 6x + 4 - 1
5.
IfX
+X+2° +2° is added to
- then the result is
60
(a) - 6x
(b) 6x
(C) 60x
(d) 16x
If 0.5x + 1.85x+ 2.96x3 - 4.71x is added to (1.25
-2.5x + 3.6x4 - 4.71x), then the result is
(a) 0.6x! + 2.36x
(b) +0.6x'- 2.36x
(c) 0.6x?- 2.36x
(d) 40.6x' + 2.36x4
II. MULTI ANSWER QUESTIONS:
7. If the lengths of the three sides of a triangle in centimetres are
2
23
-2, then its perimeter is
(a) 5x - 4x +*
(C) 5x' + 4X-7X
(95x+x-*

Answers

Answered by mohitdabral67

1

Step-by-step explanation:

Option C is correct answer

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