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hichkok12 [17]
3 years ago
7

If line A contains Q(5,1) and is parallel to line MN with M(-2,4) and N(2,1), which ordered pair would be on the perpendicular t

ransversal if its equation is y= 4/3x + 1/3

Mathematics
2 answers:
vivado [14]3 years ago
6 0
Your question does not say what were your options, therefore I will answer generically: in order to understand if a point (ordered pair) is contained in a line, you need to substitute the x-component of the pair in the equation of the line and see if the calculations give you the y-component of the pair.

Example:
Your line is <span> y = 4/3x + 1/3
Let's see if <span>(0, 0) and (2, 3) </span>belong to this line

y</span> = <span>4/3·0 + 1/3 = 1/3 </span>≠ 0
Therefore, the line does not contain (0, 0)

y = 4/3·2 + 1/3 = 9/3 = 3
Therefore, the line contains (2, 3)

Luden [163]3 years ago
5 0

Point -1, -1 are on the line equation y = 4/3x + 1/3

<h3>Further explanation</h3>

Straight-line equations are mathematical equations that are described in the plane of cartesian coordinates

General formula

\large{\boxed{\bold{y-y1=m(x-x1)}}}

or

y = mx + c

Where

m = straight-line gradient which is the slope of the line

x1, y1 = the Cartesian coordinate that is crossed by the line

c = constant

The formula for a gradient (m) between 2 points in a line

m = Δy / Δx

\large{\boxed{\bold{m=\frac{y_2-y_1}{x_2-x_1}}}}

There are several gradient properties that a line has

  • 1. parallel to the x-axis

the gradient that is parallel to the x-axis is = 0

  • 2. parallel to the y-axis

the gradient that is parallel to the y-axis is undefined

  • 3. 2 parallel lines

the gradient of 2 parallel lines are of equal value

  • 4. 2 perpendicular lines

the gradient of 2 perpendicular lines, if both of them are multiplied , the value will be = -1

line MN with M (-2,4) and N (2,1)

the gradient:

\frac{1-4}{2+2} = -\frac{3}{4}

Then the equation of the line: (through the point -2.4)

y-4=-\frac{3}{4}(x + 2)

y=-\frac{3}{4}+\frac{5}{2}

Line A with a line equation that is perpendicular to the line MN will have a gradient:

line gradient MN x line gradient A = -1

(-3/4) x gradient line A = -1

gradient line A = 4/3

So the line A with the equation y = 4/3x + 1/3 is appropriate

From the several answer options, we enter the value of these points into the equation y = 4/3x + 1/3, whether or not it meets. If it meets then the point is contained in the existing line equation

  • 1. (- 1, -1)

-1 = 4/3. -1 + 1/3

-1 = -1 -> fulfill

  • 2. (0,0)

0 = 4/3. 0 + 1/3

0 = 1/3 -> do not meet

  • 3. (3,3)

3 = 4/3. 3 + 1/3

3 = 4 1/3 -> do not meet

  • 4. (1,1)

1 = 4/3. 1 + 1/3

1 = 5/3 -> do not meet

So the point that meets is point -1, -1

<h3>Learn more</h3>

line equation

brainly.com/question/1491432

F (x) = x2 + 1 g (x) = 5 - x

htps: //brainly.com/question/2723982

the inverse of the function f (x) = 2x-10

brainly.com/question/628130

domain of the function

brainly.com/question/4135536

Keywords: gradient, straight-line equation, perpendicular, parallel

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