Addition of Algebraic Expressions
Trending Questions
Q. 3x3y2+17x3y=20x3y3
- False
- True
Q.
15ab2 + 2ab2x + 3ab2 + 2ab2x + 2ab2 = _____
4ab2 + 20ab2x
24a2b4x
20ab2 + 4ab2x
24ab2x
Q.
When 7xy+5yz−3zx, 4yz+9zx−4y and −3xz+5x−2xy are added, we get 5xy+9yz+3zx+5x−4y.
True
False
Q. The length of a rectangle is 2(x+6) cm, and its width is half of its length. What is its perimeter?
- 6(x−3) cm
- 6(x−6) cm
- 3(x+6) cm
- (6x+36) cm
Q. What is x + y when x = -6 and y = -9?
- -54
- 54
- -15
- 15
Q. Simplify the expression 6x - 2 + 3x.
- 7x
- 11x
- 9x - 2
- 3x - 2
Q.
If x2 + y2 = 14 and xy = 3, find the value of 2(x+y)2−5(x−y)2.
0
14
106
52
Q.
Add: 12x2−12x+4 and 21x2+7x−10
33x2+5x−6
33x2+19x−6
33x2−5x−6
33x2−19x−6
Q. The measures of the angles of a quadrilateral are (p+25∘), 2p, (2p−15∘) and (p+20∘). What is the measure of the smallest angle?
- 105∘
- 65∘
- 115∘
- 75∘
Q.
What should be the value of a, if the value of 2x2+6a–5x+10 is 25, when x=1?
6
3
-3
-6