Question

The value of which of the following expressions is 66 for a = -2 and b = 5 is:
(a) a2 + 3ab-b2
(b) 6a2 - 5ab
(c) -3a2 - ab + 6b2
(d) -a2 - 2ab +2b2


Please help me!!

Answer 1

Answer:

The value of which of the following expressions is 66 for a = -2 and b = 5 is:

(a) a2 + 3ab-b2

(b) 6a2 - 5ab

(c) -3a2 - ab + 6b2

(d) -a2 - 2ab +2b2

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ANSWER = ..

(B) 6a2 - 5ab

Answer 2

Answer:

26b -4b – 16a. (a) 4a + 22b, ...

Simplify: (4 – 5) – (13 – 18 + 2). (a) -1, ...

What is |-26|? (a) -26, ...