Two numbers are reciprocals of each other if they have different signs in front. O True O False

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: If a = +, what is the value of 1 ? O A. X+y о в. a + y ry O C. ry D. x? + y?

A:

Q: 7 5 X + -6 8 -8 -6 X. X =

A:

Q: The symbol for similar is . O True O False

A: We have to check the symbol for similar is ~.

Q: + ● = = ★=□+□+□ = =

A:

Q: Evaluate each expression. -|-8|

A: We have to evaluate the given  expression --8.

Q: Find, if possible, (a) AB and (b) BA.

A: A is a 3x3 matrix and B is a 3x1 matrix So the product AB will be possible. Because the number of…

Q: Let A = 1 1 1`1 1 1 1], B= CD c=H₁ 1 1 Which of the following expressions is NOT defined?

A: we need to find which of the given expressions is not defined.

Q: 5 A = 1 [3 5 B = 1 1 3 similar O not similar

A: