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Gelneren [198K]
2 years ago
14

Which of the following graphs represents the equation y -4 =3 (x-1)

Mathematics
1 answer:
kondaur [170]2 years ago
6 0
To start, we can factor the "3" in the parentheses - then move the -4 over. So,

y - 4 = 3x - 3
y = 3x + 1

So the y-intercept of the equation is "1", and the slope is 3.
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15 POINTS!
Oliga [24]

Answer:

y = 2x + 1

Step-by-step explanation:

  • Slope-int form: y = mx + b
  • m = slope or rise/run
  • b = y-intercept

Given:

  • Point (2, 5)
  • m (slope) = undefined

When a slope is undefined, the line is a vertical line (it rises but doesn't "run").

To find m, use the given point's x-coordinate because the line you're trying to find will run vertically through that point.

  • (x, y) = (2, 5); x = 2
  • m = 2

Now the equation becomes y = 2x + b.

To find b, substitute the given point and the found slope into the formula, then solve for b.

  • 5 = 2(2) + b
  • 5 = 4 + b
  • 5 - 4 = b
  • b = 1

Now that you know what b is, you can substitute b into the equation:

  • y = 2x + 1
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Answer:

I think the answer is 31

Step-by-step explanation:

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