Suppose a-b=0a-b=0a, minus, b, equals, 0 and a, b/ne0a, b≠0a, comma, b, does not equal, 0. which one of these expressions equals / dfrac{b}{a} a b start fraction, b, divided by, a, end fraction?

Question

Mathematics

Tipr

5 December, 01:20

Suppose a-b=0a-b=0a, minus, b, equals, 0 and a, b/ne0a, b≠0a, comma, b, does not equal, 0. which one of these expressions equals / dfrac{b}{a} a b start fraction, b, divided by, a, end fraction?

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Answers (1)

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Marina Wheeler · Answer 1

B/a = 1.

Explanation

a - b = 0

First we will isolate a. Add b to both sides:

a - b + b = 0 + b

a = b

To get b/a, we must divide both sides by a:

a/a = b/a

When we divide anything by itself (except 0), it equals 1:

1 = b/a