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Kitty [74]
3 years ago
6

Describe and correct the error a student made when graphing y+5=-3/4(x-8).

Mathematics
1 answer:
Elis [28]3 years ago
8 0
In step 1 the y-intercept should be plotted at (0,-6)
Step-by-step explanation:
Remember that to find the Y intercept in any linear equation you need to use 0 as your X value, this means taking the formula in the y=mx+b form and replacing X with a 0.
Since the formula is y = -3/4x -6
We just insert a 0 insted of the "x"
y = -3/4(0) -6
y=0-6
y=6
So the y-intercept sould be placed in (0,-6)
That's what he did wrong when graphing the equation.
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x=63

Step-by-step explanation:

<em>Subtract by 150 from both sides of equation.</em>

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<em>Simplify.</em>

<em>87-150=-63</em>

<em>-x=-63</em>

<em>Divide by -1 from both sides of equation.</em>

<em>-x/1=-63/-1</em>

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<em>x=63 is the correct answer.</em>

<em>I hope this helps you, and have a wonderful day!</em>

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