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amid [387]
3 years ago
10

What is the equation of the line that passes through point (4, 12) and has a y- intercept of -2?

Mathematics
1 answer:
Elan Coil [88]3 years ago
5 0

Answer:

y = (7/2)x - 2

Step-by-step explanation:

Use slope-intercept formula for linear equations y = mx + b

x and y show what points are on the line. We know (4, 12). x= 4 and y = 12

b is the y-intercept, which b = -2.

m is the slope.

To write the equation, you need the slope and y-intercept. Find the slope by putting x, y and b into the formula.

y = mx + b

12 = 4m - 2

14 = 4m

14/4 = m

m = 7/2

Put "m" into the formula with "b"

y = (7/2)x - 2

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Q is P reflected across the y-axis; only the signs of the y-coordinates of P and Q are different.

Step-by-step explanation:

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3 years ago
Mom buys a rectangular rug with an area of 7 1/6 square meters. The length of the rug is 3 1/3 meters. What is the width of the
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Answer:

  • 2 3/20 m

Step-by-step explanation:

The area is the product of the length and width

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RoseWind [281]

Answer:

True - The above statement is true

A circle is the collection of points in a plane that are the same distance from a given point in the plane.

Step-by-step explanation:

  • <em><u>A circle is the set of points in a plane that are a given distance from a given point in the plane. The given point is the center of the circle, and the given distance is the radius.</u></em>
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The height of a doorway is 7 yards. What is the height of the doorway in inches?
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The total cost for a chair, a desk, and a lamp is $562. The desk costs four times as much as the lamp and the chair costs $23 le
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3 years ago
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