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mart [117]
3 years ago
10

Identify an equation in slope-intercept form for the line parallel toy = 5x + 2 that passes through (–6, –1).

Mathematics
1 answer:
Illusion [34]3 years ago
7 0
The slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept. We know that if 2 lines are parallel to one another, their slopes are exactly the same. So the slope of the new line is 5, just like the slope of the original line.  We also have a coordinate in the form of (x, y) to fit into that line equation and solve it for b.  Like this: -1 = 5(-6) + b and -1 = -30 + b and b = 29. Now we can rewrite the equation fitting in the given slope and the newly found y-intercept value of 29: y = 5x + 29 is the new line.
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Circle O, with center (x, y) passes through the points A(0, 0), B(-3, 0), and C(1, 2). Find the coordinates of the center of the
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Answer:

The center of the circle is

(-\frac{3}{2},2)

Step-by-step explanation:

Let the equation of the circle be

x^2+y^2+2ax+2by+c=0, where (-a,-b) is the center of this circle.

The points lying the circle must satisfy the equation of this circle.

A(0,0)

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B(-3,0)

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C(1,2)

1^2+2^2+2a(1)+2b(2)+c=0

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Put the value of 'a' and 'c' to find 'b'

2(\frac{3}{2})+4b+0=-5

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3 years ago
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Step-by-step explanation: I used a calculator. If it's wrong, tell your teacher/instructor.

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