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Natasha2012 [34]
2 years ago
14

Write the equation of the line in fully simplified slope intercept form

Mathematics
1 answer:
Naily [24]2 years ago
4 0

Answer:   y = (1/4)x - 1

Step-by-step explanation:

Slope intercept form is y = mx + b. The y-intercept is -1 so we have y = mx - 1. To find m, look at the points (0, -1) and (4, 0). The line goes up 1 and over 4, so the slope, m, equals 1/4. Thus the full equation is

$y = (1/4)x - 1.

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What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?
Leno4ka [110]
To calculate the perimeter, consider each side separately.

Right side: This is easiest since it's a vertical line - it's 7 units long.

Top side: If you look carefully, this side is really the hypotenuse of a triangle that is 1 unit tall and 6 units long. Using the Pythagorean Theorem, you can calculate the length of the hypotenuse to be 1^2 + 6^2 = c^2 --> c = 6.1

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Add these three numbers to get the perimeter: 7 + 6.1 + 8.5 = 21.6
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3 years ago
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MrMuchimi

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