Evaluate the Algebraic Fraction: (a-bc)/(b·-c) = 0

Indicate whether true or false

abcbc=0 \frac{a-b\operatorname{\cdot}c}{b\operatorname{\cdot}-c}=0

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Step-by-step video solution

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00:00 Determine if the equation is correct
00:10 Let's use the commutative law and arrange the expression
00:14 Let's compare the expressions
00:19 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Indicate whether true or false

abcbc=0 \frac{a-b\operatorname{\cdot}c}{b\operatorname{\cdot}-c}=0

2

Step-by-step solution

To solve this problem, we will follow these steps:

  • Step 1: Analyze the numerator abc a - b \cdot c .
  • Step 2: Analyze the denominator bc b \cdot -c .
  • Step 3: Determine conditions for the fraction to be zero.

Now, let's work through each step:
Step 1: The numerator is abc a - b \cdot c . This becomes zero if a=bc a = b \cdot c .
Step 2: The denominator is bc=(bc) b \cdot -c = -(b \cdot c) . This simplifies to the negative of the product bc b \cdot c .
Step 3: For the expression abcbc \frac{a-b \cdot c}{b \cdot -c} to equal zero, the numerator must be zero, i.e., a=bc a = b \cdot c , but the denominator must not be zero. However, if a=bc a = b \cdot c , then the denominator becomes zero because it’s negative of the same product, (bc) -(b \cdot c) , creating an undefined scenario rather than zero.

Since making the numerator zero results in the denominator being undefined, the expression cannot be zero. Therefore, the statement is Not true.

3

Final Answer

Not true

Practice Quiz

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Complete the corresponding expression for the denominator

\( \frac{12ab}{?}=1 \)

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