Posted by **Shenae** on Wednesday, March 13, 2013 at 1:10pm.

Grant wrote an equation of a line through the point (4,1) that is perpendicular to the one shown. What other point lies on his line?

- Math -
**Dr. Jane**, Wednesday, March 13, 2013 at 1:35pm
I have to see the line shown. We need the slope of the line shown.

Grant's line will have a slope that is a negative reciprocal of the line shown.

for example if the line has a slope of -3, Grant's perpendicular line will be 1/3.

To find the other point, use the slope formula: m = (y2-y1)/(x2-x1)

- Math -
**Dr. Jane**, Wednesday, March 13, 2013 at 1:36pm
Another approach is to use:

y = mx + b

You will have m, x and y.

solve for b.

Write an equation where you have a value for m and b.

You can then figure out another x and y that will work in that equation.

## Answer this Question

## Related Questions

- Writing this equation - how do I write the equation of a line perpendicular to ...
- math - Let P be the point (p,q) and L the line y = m x + b. It is not necessary...
- geometry - Joey plots a point P on the line AB, as shown. Which statement is ...
- Math - Write your answer in standard form. Show all your work if you want to be ...
- Algebra 1 - Write an equation in slope-intercept form for a line that passes ...
- MAT221 - consider the line 8x-5y=-4 find the equation of the line that is ...
- Geometry - Write an equation for the line perpendicular to line XY that contains...
- Geometry - How do I write an equation of a line perpendicular to the graph of -...
- algebra 3 - what is the equation of the line with {3,3} and is perpendicular to ...
- Math grade 10 - a)determine whether the point A(-2, -6) lies on the circle ...