Algebra Worksheet-10
(a) (b) (c) (d)
(a) a2 – b2 (b) a4 + b4 (c) a4 – b4 (d) a2 + b2
(a) x3 – x5 (b) x5 – 10x3 (c) x3 + x5 (d) x3 + x4
(4) (–x) (–y)
(a) 4xy (b) –4xy
(c) (–4) (x) (y) (d) (–4) (–x) (–y)
(a) 0 (b) (c) (d)
(a) 2x2 – 7x – 5 (b) x3 – 7x – 5
(c) 2x3 + 7x + 5 (d) x3 + 7x – 5
p: x3 – y3 – 3x3 is trinomial.
q: An algebraic expression containing three unlike terms is called a trinomial.
(a) Both p and q are true (b) p is true and q is false
(c) Both p and q are false (d) p is false and q is true
(a) Degree of p(x) < degree of q(x)
(b) Degree of p(x) < degree of q(x)
(c) Degree of p(x) > degree of q(x)
(d) No relation between degree of p(x) and q(x)
(2a3 – 3) (5a3 – 2) = 10a6 + ....... + 6
(a) 19a3 (b) –19a3 (c) 16a3 (d) –16a3
(a) 7x – 11 (b) 7x + 11 (c) 6x – 10 (d) 6x + 10
(a) (b)
(c) (d)
(a) 16 (b) 0 (c) –40 (d) 10
(a) (b) (c) (d)
(a) (b)
(c) (d)
Step 2: (x2 – 2x2) + (–3x2y2 + x2y2 + 12x2y2) – 3y2
Step 3: (–x2 + 10x2y2 – 3y2)
Are the above given steps showing simplification of algebraic expression x2 (1 – 3y2) + x(xy2 – 2x) – 3y(y – 4x2y) ?
(a) Yes
(b) No
(c) Only step 1 is correct
(d) Only steps 1 and 2 are correct
(a) 9x – 3 (b) 5x – 15 (c) 5x – 3 (d) 5x + 25
Answer Key:
(1)-(a); (2)-(c); (3)-(b); (4)-(a); (5)-(d); (6)-(a); (7)-(d); (8)-(c); (9)-(b); (10)-(a); (11)-(a); (12)-(b); (13)-(d); (14)-(c); (15)-(a); (16)-(b)