how do you find an equation of the line passing through a pair of points

1 Answer

Answer :

The equation of the line that passes through the points (-4,-2) and (-8,-2) is y=-2

Related questions

Description : Write the equation of a line parallel to y-axis and passing through the point (–4, –5). -Maths 9th

Last Answer : Solution :- x= -4

Description : Write the equation of a line parallel to x-axis and passing through the point (–3, –4). -Maths 9th

Last Answer : Solution :- y = -4

Description : Find the equation of the straight line passing through the point (4, 5) and perpendicular to 3x – 2y + 5 = 0. -Maths 9th

Last Answer : There are two ways to prove it. 1st way: Area of triangle formed by the given points = 0 if they are collinear.∴ \(rac{1}{2}\) [\(x\)(2 - (y + 1) ) + 1((y + 1) - 1) + 0(1 - 2)] = 0⇒ \(rac{1}{2}\) [2\(x\) - \(x\)y - \( ... y - \(x\)y - 1 + \(x\) ⇒ x + y = \(x\)y ⇒ \(rac{1}{x}\) + \(rac{1}{y}\) = 1.

Description : What is the equation of the straight line passing through the point (4, 3) and making intercepts on the co-ordinates axes whose sum is –1 ? -Maths 9th

Last Answer : Diagonals of a rhombus bisect each other at right angles ⇒ Co-ordinates of mid-points of AC and BD are equal∴ 0 = \(\bigg(rac{4+(-2)}{2},rac{-5+(-1)}{2}\bigg)\) = (1, -3)Slope of BD = \(rac{-5+1}{4+2}\) = \(rac{-4}{6}\) ... (rac{3}{2}\) isy + 3 = \(rac{3}{2}\) (x - 1)⇒ 2y + 6 = 3x - 3 ⇒ 2y = 3x - 9.

Description : What is the equation of the line passing through (2, –3) and parallel to the y-axis ? -Maths 9th

Last Answer : (c) x = 2 Slope of y-axis = tan 90º (∵ y-axis ⊥ x-axis) ∴ Equation of line passing through (2, –3) parallel to y-axis is (y + 3) = tan 90º (x – 2) ⇒ (y + 3) = ∞ (x – 2) ⇒ (x – 2) = \(rac{1}{\infty}\) (y + 3) = 0 ⇒ x = 2.

Description : Imaginary line passing through points having equal magnetic declination is termed as (A) Isogon (B) Agonic line (C) Isoclinic line (D) None of these

Last Answer : (A) Isogon

Description : A counter may be defined as an imaginary line passing through (a) Points on the longitudinal section (b) Points of equal elevation (c) Point of equal local ground slope (d) Points of transverse section surveys

Last Answer : (b) Points of equal elevation

Description : The equation of a curve passing through `(2,7/2)` and having gradient `1-1/(x^2)` at `(x , y)` is (a) `( b ) (c) y=( d ) x^(( e )2( f ))( g )+x+1( h )

Last Answer : The equation of a curve passing through `(2,7/2)` and having gradient `1-1/(x^2)` at `(x , y)` is (a) `( b ) ... (2)+3` C. `xy=x+5` D. `xy=x^(2)+x+1`

Description : A circle is passing through two end points A[6,4] and B[10,10]. Find center point ofcircle a.7,8 b.8,8 c.8,7 d.7,7

Last Answer : c.8,7

Description : If AB = 12 cm, BC = 16 cm and AB is perpendicular to BC, then the radius of the circle passing through the points A, B and C is -Maths 9th

Last Answer : According to question the radius of the circle passing through the points A, B and C .

Description : If AB = 12 cm, BC = 16 cm and AB is perpendicular to BC, then the radius of the circle passing through the points A, B and C is -Maths 9th

Last Answer : According to question the radius of the circle passing through the points A, B and C .

Description : Find the centre of a circle passing through the points (6, –6), (3, –7) and (3, 3). -Maths 9th

Last Answer : For three points to be collinear, the area of the triangle formed by the three points should be zero. ∴ Area of D formed by the given three points= \(rac{1}{2}\) [a((c + a) - (a + b)) + b((a + b) - (b + c)) + c((b ... ba - bc + cb - ca] = 0.Hence (a, b + c), (b, c + a) and (c, a + b) are collinear.

Description : My son missed passing the GED test by 2 points,a recruiter once told him that the service will help him to get through the GED how is this donedoes he have to retake the entire test or are they going to "fix" his score so he can join the army ?

Last Answer : Your son will have to retake the entire GED test again. The service will schedule a training plan to help your son pass the exam. Study groups ETC.

Description : For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated? A.1 B.2 C.3 D.4

Last Answer : C.3

Description : For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated? A- 1 B- 2 C- 3 D- 4

Last Answer : 3

Description : Write parametric equation of line having end points P1(3,5,8) and P2 (6,4,3). a.[3 5 8]+u[3 -1 -5] b.[3 5 8]+u[3 1 5] c.[3 8 5]+u[3 -1 -5] d.[3 5 8]+u[-3 1 5]

Last Answer : a.[3 5 8]+u[3 -1 -5]

Description : Find the equation of normal of the curve `2y= 7x - 5x^(2)` at those points at which the curve intersects the line x = y.

Last Answer : Find the equation of normal of the curve `2y= 7x - 5x^(2)` at those points at which the curve intersects the line x = y.

Description : The end points of a given line are (0, 0) and (6, 18). Compute each value of y as x steps from 0 to 3, by using equation of straight line : (A) For x=0, y=0; x=1, y=3; x=2, y=6; x=3, y=9 (B) For x=0, y=1; x=1, y=3; x=2, ... x=1, y=3; x=2, y=6; x=3, y=9 (D) For x=0, y=0; x=1, y=3; x=2, y=4; x=3, y=6

Last Answer : Answer: A

Description : If two pure reflections about a line passing through the origin are appliedsuccessively the result is a.Pure rotation b.Quarter rotation c.Half rotation d.True reflection

Last Answer : a.Pure rotation

Description : Find the value of a, if the line passing through (–5, –8) and (3, 0) is parallel to the line passing through (6, 3) and (4, a). -Maths 9th

Last Answer : Let C(x, y) be the centre of the circle passing through the points P(6, -6), Q(3, -7) and R(3, 3) Then, PC = QC = RC(Being radius of the same circle) PC2 = QC2 ⇒ (x - 6)2 + (y + 6)2 = (x - 3)2 + (y + 7)2 ⇒ x2 - ... i), we get 3\(x\) + (-2) - 7 = 0 ⇒ 3\(x\) = 9 ⇒ \(x\) = 3 ∴ The centre is (3, -2).

Description : Where to Find the slope of the line passing through (5 -1) and (4 -5)?

Last Answer : slope = change in y / change in x= (-5 - -1)/(4 - 5)= -4/-1= 4

Description : What is the slope of the line passing through (5 5) and (-4 5).?

Last Answer : The slope is -9.

Description : What is the slope of the line passing through (6 -3) and (8 0).?

Last Answer : Points: (6, -3) and (8, 0)Slope: 3/2

Description : What is the slope of the line passing through (5 5) and (-4 5).?

Last Answer : The slope is -9.

Description : If the supply curve is a straight line passing through the origin, then the price elasticity of supply will be - (1) less than unity (2) infinitely large (3) greater than unity (4) equal to unity

Last Answer : (4) equal to unity Explanation: Any straight line supply curve passing through the origin has an elasticity of supply equal to 1. The different types of price elasticity of supply are listed below:

Description : Magnetic Meridian is a – (1) Line parallel to the equator of the Earth (2) Latitude (3) Line joining the geographic north and geographic south of Earth (4) Plane passing through the magnetic north and magnetic south of Earth

Last Answer : (4) Plane passing through the magnetic north and magnetic south of Earth Explanation: Magnetic Meridian is a line on the earth's surface approximating a great circle passing through the north and south ... lines along the surface of the earth. A compass needle is parallel to the magnetic meridian.

Description : A streamline is a line in flow field, (A) That is traced by all the fluid particles passing through a given point (B) Along which a fluid particle travels (C) Such that at every point on it, the velocity is tangential to it (D) None of these

Last Answer : (C) Such that at every point on it, the velocity is tangential to it

Description : The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as (A) Line of sight (B) Line of collimation (C) Axis of the telescope (D) None of these

Last Answer : (B) Line of collimation

Description : 0 Pick up the correct statement from the following: (A) The point through which the resultant of the shear stresses passes is known as shear centre (B) In the standard rolled channels, the shear centre ... horizontal plane and away from the C.G., outside of the leg projection (D) All the above

Last Answer : (D) All the above

Description : In a theodolite the line passing through the intersection of the horizontal and vertical cross hairs and the optical centre of the object glass and its continuation, is known as (a) Horizontal axis (b) Vertical axis (c) Line of collination (d) Line of sight (e) Either of c or d above*

Last Answer : e) Either of c or d above*

Description : If the supply curve is a straight line passing through the origin, then the price elasticity of supply will be (1) less than unity (2) infinitely large (3) greater than unity (4) equal to unity

Last Answer : equal to unity

Description : Magnetic Meridian is a (1) Line parallel to the equator of the Earth (2) Latitude (3) Line joining the geographic north and geographic south of Earth (4) Plane passing through the magnetic north and magnetic south of Earth

Last Answer : Plane passing through the magnetic north and magnetic south of Earth

Description : What is the slope of the equation through points -1-4?

Last Answer : Two sets of points are needed to determine the slope of aline

Description : If the equation `3x^(2)+6xy+my^(2)=0` represents a pair of coincident straight lines, then `(3m)/2` is equal to

Last Answer : If the equation `3x^(2)+6xy+my^(2)=0` represents a pair of coincident straight lines, then `(3m)/2` is equal to

Description : If `x=9` is the chord of contact of the hyperbola `x^2-y^2=9` then the equation of the corresponding pair of tangents is (A) `9x^2-8y^2+18x-9=0` (B) `

Last Answer : If `x=9` is the chord of contact of the hyperbola `x^2-y^2=9` then the equation of the corresponding pair of ... 0` D. `9x^(2)-8y^(2) +18x+9=0`

Description : One equation of a pair of dependent linear equation is -2x + 3y = 9 , the second equation can be e) 4x + 6y = 18 f) 4x - 6y = - 18 g) -4x – 6y = 18 h) None of these

Last Answer : f) 4x - 6y = - 18

Description : The pair of equation x = 4 and y = 3 graphically represents lines which are e) Parallel f) Intersecting at ( 3,4) g) Coincident h) Intersecting at ( 4,3)

Last Answer : h) Intersecting at ( 4,3)

Description : One equation of a pair of dependent linear equation is -2x + 3y = 9 , the second equation can be a) 4x + 6y = 18 b) 4x - 6y = - 18 c) -4x – 6y = 18 d) None of these

Last Answer : b) 4x - 6y = - 18

Description : The pair of equation x = 4 and y = 3 graphically represents lines which are a) Parallel b) Intersecting at ( 3,4) c) Coincident d) Intersecting at ( 4,3)

Last Answer : d) Intersecting at ( 4,3)

Description : If a + b = 1 ,and the ordered pair (a, b) satisfies the equation 2x + y = , then it also satisfies (a) 2x + y (b) 3x + 4y = 3 (c) x + 2y = (d) 2x + 4y =

Last Answer : (c) x + 2y =

Description : One equation of a pair of dependent linear equations is -5x+7y=2 .The second equation can be (a)10x-14y-4=0 (b) -10x+14y+4=0 (c) 10x-14y-4=0 (d) -10x+14y-4=0

Last Answer : (d) -10x+14y-4=0

Description : 1. Draw different pairs of circles. How many points does each pair have in common? What is the maximum number of common points? -Maths 9th

Last Answer : As we can see from the figure, that two circles have two points in common. Two circles cannot intersect each other at more than two points. Let us assume that two circles cut each other at ... circle can pass. So, two circles if intersect each other will intersect at maximum two points.

Description : When it comes to fancy dress, is it a case of anything goes with you or do you have a line to be drawn of which there's no passing?

Last Answer : As long as I’m comfortable in it, I’d wear it. It all depends on the dress and how it fits. I’ve worn some strapless dresses before, but there have been others that I have tried on and there was no way I could be comfortable wearing them.

Description : Equator represents – (1) line joining North and South poles (2) imaginary line passing round the Earth midway between North & South poles (3) a belt (ring) around the planet Saturn (4) axis of rotation of Earth

Last Answer : (2) imaginary line passing round the Earth midway between North & South poles Explanation: An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere ... astronomical bodies have equators similarly defined. The length of the Equator is roughly 40,075 kilometres.

Description : The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called A. Inverted syphon B. Depressed sewer C. Sag pipe D. all of these

Last Answer : ANS: D

Description : To a person standing on shore, an object dropped from the mast of a passing sailboat will trace what path, assuming negligible air resistance. Is it: w) vertical straight line x) slanted straight line y) parabola z) hyperbola

Last Answer : ANSWER: Y -- PARABOLA

Description : Equator represents (1) line joining North and South poles (2) imaginary line passing round the Earth midway between North & South poles (3) a belt (ring) around the planet Saturn (4) axis of rotation of Earth

Last Answer : imaginary line passing round the Earth midway between North & South poles

Description : How do find an equation with a list of given points?

Last Answer : an equation for a line?

Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following? a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above

Last Answer : b.Hermite Cubic Spline Curve