Question

53. Additive inverse of x + 2 is .......
A) 2x
B)-x+ 2
C) x-2
D) - x-2
54. P = 3x - 4y - 8z, Q = -10y + 7x +1 lz and R = 192 -6y + 4x then P-Q+R = [
A) 13x-20y +162 B) x + y + z C) O
D) 2x - 4y +32
55. If x=5 and y=x + 7 then Vr? + y2 =
[
A) 13
B) 17
C) 26
D) 65
56. How much is at +4a²b? +64 more than a -8a²b² +64
[
A) 12ab?
B) 12a²b
C) 2a4 +26*
D) 12ab?
1
1
57. If ab=1 then
+
1+ a- It61
A) 0
B) a + b
C) 1
D) a-b
58. If a+b+c=22 and ab + bc +ca = 54 then a + b2 + c
[
A) 376
B) 75
C) 377
D) 375
59. If a+b=11 and ab = 30 then the value of a-6 =
A-1
B) 2.
C) 330
D) 19​

Answer 1

Step-by-step explanation:

53. Additive inverse of x+2 is …

example - addive inverse means -5 = +5.

Solu: Additive inverse of x+2 is x-2 Ans…