Evaluate the expression when z = −1.9. |z + 7.8| What is the result?

Question

Evaluate the expression when z = −1.9. |z + 7.8| Options: A) 5.9 B) 7.8 C) 9.7 D) 3.9

Quizzma Team · Answer

To evaluate the expression |z + 7.8| when z = -1.9, we start by substituting -1.9 for z:

1. Calculate z + 7.8:

[

-1.9 + 7.8 = 5.9

]

2. Take the absolute value:

[

|5.9| = 5.9

]

So the correct answer is A) 5.9. This is because the absolute value of a positive number is the number itself.

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