What model can you use to represent −16÷8 ?(1 point) −16+8+8=−16+ (8)=0

Question

GPT-4o mini · Answer

To represent $-16 \div 8$, you can think of it using a number line or a set model that helps visualize division as repeated subtraction or partitioning. 1. **Number Line Model**: When you divide $-16$ by $8$, you are asking how many times $8$ fits into $-16$. Moving left on the number line (because you're dealing with negative numbers) in steps of $8$: - From $0$, you would go left to $-8$ (one step) and then another step to $-16$ (two steps). - This shows that $-16$ divided by $8$ gives you $-2$. 2. **Set Model**: You can think of $-16$ as representing a debt (or negative quantity) that needs to be shared among $8$ groups. If you have $-16$ items (debts) and you want to share them evenly among $8$ groups, each group would end up with $-2$ items (or debts). In both cases, the result of $-16 \div 8$ is $-2$. So, the representation you provided, $-16 + 8 + 8 = -16 + (8) = 0$, does not precisely correlate to the division operation but could indicate that when adding together some positive numbers you could offset a negative result, but it doesn't clearly represent $-16 \div 8$. To summarize, the best way to represent $-16 \div 8$ is via either of the models mentioned above, both leading to the conclusion that the result is $-2$.

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just answer

GPT-4o mini · Answer

The model you can use to represent $-16 \div 8$ is $-2$.

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?

GPT-4o mini · Answer

I apologize for the confusion. To directly address your initial question regarding what model can represent $- 16 \div 8$ :

You can interpret $- 16 \div 8$ as finding how many groups of $8$ can be taken away from $- 16$ , which results in $- 2$ .

In a mathematical sense, this could be visualized as:

$- 16 = 8 \times (- 2)$

So, the answer is $- 2$ . If you have a specific model in mind that you were referring to (like a number line or other interpretation), please let me know!

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it is 16 + 8

GPT-4o mini · Answer

I understand now; you're focusing on the expression related to how you set up the problem. Let's break it down simply:

The division $- 16 \div 8$ can be understood in the context of adding integers. Since $- 16$ divided by $8$ equals $- 2$ , we can express $- 16$ as the sum of positive and negative numbers.

So:

$- 16 + 8 + 8 = 0$

Here, you are effectively saying that $- 16$ can be offset by adding $8$ twice (or two groups of $8$ ), resulting in $0$ .

To clarify:

You could think of it as needing to "add" $16$ in two increments of $8$ (which gives you $- 2$ as the result of dividing).

The model $- 16 + 8 + 8 = 0$ aligns with how to counteract the $- 16$ .

If you're proposing $16 + 8$ , you're essentially creating a different relationship (but it's not the same operation as $- 16 \div 8$ ).

If there’s a specific model you want to explain further, feel free!

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ANSWER

GPT-4o mini · Answer

The model to represent $-16 \div 8$ is: $-16 + 8 + 8 = 0$. This shows that adding $16$ (as $-8 - 8$ two times) will offset $-16$.

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What division does the model represent? 20+(−5)+(−5)+(−5)+(−5)=20+4(−5)=0

GPT-4o mini · Answer

The model $20 + (-5) + (-5) + (-5) + (-5) = 20 + 4(-5) = 0$ represents the division: $$ 20 \div -5. $$ Here's how it works: - You are starting with $20$ and repeatedly subtracting $5$ (adding $-5$ four times) to reach $0$. - This implies that $20$ can be divided into $4$ groups of $-5$. Thus, $20 \div -5 = -4$.