Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

808,045 users

Do these points lie on a straight line? (2,1) (5,7) (11,18)?

0 votes

Do these points lie on a straight line? (2,1) (5,7) (11,18)?

Please explain, thank you.

collinear-points

asked Feb 11, 2015 in PRECALCULUS by anonymous

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

Step 1:

The points are and .

Condition collinearity of three points is .

Let the points be and .

Substitute the values in above condition.

and are not collinear.

No, these points do not lie on a straight line.

Solution:

No, the points and do not lie on a straight line.

answered Feb 16, 2015 by david Expert

Please log in or register to add a comment.

Related questions

A -Find the equation of the straight line joining the points (1, 2) and (5, 4)

asked Dec 12, 2014 in PRECALCULUS by anonymous

mid-point-of-a-line

what point does NOT lie on the graph of the following equation? 5x + 7y = 44? (-6, 11) (-1, 7) (6, 2) (13, -3)

asked Mar 6, 2014 in ALGEBRA 2 by angel12 Scholar

graphing-equations

The points (3,12) (3,2) and (20,-5) lie on a circle.

asked Nov 3, 2014 in PRECALCULUS by anonymous

general-form-circle-equation

graph on a number line [-4,-2,1,5,7

asked Mar 5, 2014 in ALGEBRA 2 by angel12 Scholar

graph-on-a-number-line

In the diagram, the points A and C lie on the x- and y-axes respectively and the equation of AC is 2y + x = 16.?

asked Feb 9, 2015 in PRECALCULUS by anonymous

midpoint
perpendicular-equation
quadrilateral

Points (-9,0) and (19,0) lie on the curve of a parabola.

asked Jun 17, 2013 in PRECALCULUS by linda Scholar

parabola

The points A (2,4) and B ( 6,0) lie on a circle.

asked Nov 4, 2014 in CALCULUS by anonymous

algebra
equation-of-a-line

Find a point on the y-axis that is equidistant from the points (1, –7) and (5, –1)????

asked Mar 4, 2013 in ALGEBRA 1 by futai Scholar

equidistant
point

Find a point on the y-axis that is equidistant from the points (1, –7) and (5, –1).?

asked Mar 3, 2013 in GEOMETRY by mathgirl Apprentice

equidistant
point

Plot the points P(7,10) and Q(-5,0) and R(2,-3) on a grid. Label all your axes and points on the graph.?

asked Feb 9, 2015 in CALCULUS by anonymous

parallel-equation
plot-the-points

Find the equation for a line which passes through the points (2, 5) and (4, –7)

asked May 9, 2014 in ALGEBRA 1 by anonymous

slope-of-a-line-through-2points

What equation of the line passes through the points (-2,11) and (5,-3)

asked May 4, 2018 in ALGEBRA 1 by anonymous

equation-of-a-line

write the slope intercept from of the equation that passes through the points (2,7) and (-1,-11)

asked Mar 11, 2014 in GEOMETRY by abstain12 Apprentice

slope-intercept-form
slope-of-a-line-through-2points
slope-of-a-line

find the coodinates of the point c, halfway between the points a (5,1) and b (-2,7)

asked Mar 14, 2014 in ALGEBRA 1 by rockstar Apprentice

coodinates-of-the-point
distance-between-points

Find an equation of the straight line through(1,-3,5)

asked Mar 7, 2015 in CALCULUS by anonymous

equation-of-a-line
three-dimentional-coordinates

what point does NOT lie on the graph of the following equation? 5x + 3y = 9? (-3, -8) (1, -1) (3, 2) (9, 12)

asked Mar 6, 2014 in ALGEBRA 2 by dkinz Apprentice

graphing-equations

write an equation for a line given two points on that line . (4,3) And ( 5,6)

asked Mar 5, 2014 in ALGEBRA 1 by dkinz Apprentice

equation-of-a-line
slope-of-a-line-through-2points

Is the line through (- 4, - 6, 1) and (- 2, 0, - 3) parallel to the line through (10, 18, 4) and (5, 3, 14)?

asked Feb 17, 2015 in CALCULUS by anonymous

vectors
parallel
line-equation

Find the equation, in slope-intercept form, of the line that passes through the points (5,2) and (-7, 3).

asked Mar 14, 2014 in ALGEBRA 1 by skylar Apprentice

slope-of-a-line-through-2points
slope-intercept-form
equation-of-a-line

What is the equation of a parabola that passes through the points (1,6),(-2,27), (2,11)?

asked Mar 17, 2014 in ALGEBRA 2 by payton Apprentice

equation-of-a-parabolas

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...