goodluck99
23.09.2019 •
Mathematics
The point-slope form of the equation of the line that passes through (–4, –3) and (12, 1) is y – 1 = (x – 12). what is the standard form of the equation for this line?
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Ответ:
The equation of line passes through points and in standard form is .
Further explanation:
It is given that a line passes through points and .
The slope of a line passes through points and is calculated as follows:
......(1)
Here, the slope of a line is denoted as and points are and .
Substitute for , for , for and for in equation (1) to obtain the slope of a line that passes through points and .
Therefore, the slope is .
The point-slope form of the equation of a line with slope passes through point is represented as follows:
......(2)
Substitute for , for and for in equation (2) to obtain the equation of line.
Therefore the standard equation of line that passes through points and is .
Thus, theequation of line passes through points and in standard form is
Learn more:
1. Which classification best describes the following system of equations?
2. What is the value of in the equation when ?
3. What are the values of x?
Answer Details:
Grade: Junior High School
Subject: Mathematics
Chapter: Coordinate Geometry
Keywords:Coordinate Geometry, linear equation, system of linear equations in two variables, variables, mathematics,equation of line, line, passes through point
Ответ:
I assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how I found that out I can tell you).
In this equation if I replace x by -4 I find y=-3 and if I replace x by 12, I find y=1 so the line representing this equation is passing through those 2 points.
Then the standard form of the equation is finding an expression of y in function of x
y-1=1/4*(x-12)
y=x/4-3+1
y=x/4-2
Hope that helps.
Do you confirm there was a mistake in the question?
Ответ:
Kentucky Avenue is 575 ft between C street and D street
Step-by-step explanation:
x / (460 ft) = (1000 ft) / (800 ft)
Divide the right side:
x / (460 ft) = 1.25
To solve for "x", multiply both sides by 460 ft:
(460 ft) [x/(460)] = (460) (1.25)
x = 575 ft
Hope this helped :)