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mote1985 [20]
3 years ago
8

Devon wants to write an equation for a line that passes through 2 of the data points he has collected. The points are (8, 5) and

(–12, –9). He writes the equation 7x – 10y = 3. Is this a good model? Explain your reasoning.
Mathematics
2 answers:
iren2701 [21]3 years ago
7 0
<span> If the model is good, then both points will check in the equation. Substituting 8 for </span>x <span>and 5 for </span>y<span> in the equation results in 56 – 50 = 3, which is not true. Therefore, the model is not good. Using (–12, –9) as a check results in –84 + 90 = 3. The constant value in the equation should be 6, not 3. In slope-intercept form, the </span>y<span>-intercept should be –3/5.</span>
Nuetrik [128]3 years ago
6 0

Answer:

The points do not make the equation true.

The correct equation in standard form is

7x – 10y = 6.

The y-intercept should be –3/5.

Step-by-step explanation:

sample response

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Step-by-step explanation:

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