Find the points of tangency given f(x) = 15/2/x is tangent to x2/25 + y2/9 = 1

Find the points of tangency given f(x) = 15/2/x is tangent to x2/25 + y2/9 = 1

Given the points A(-1, 6) and B(2, -3), what is?: a) The slope of AB b) Length of AB c) The co-ordinates of the midpoint of AB d) The equation of a line perpendicular to AB that passes...

If y=ax^2+bx+c passes through the points (-3,10), (0,1), and (2,15), what's the value of a+b+c?

find the equation of the line that is perpendicular to 4y+x+40=O that passes through the point (1/2,0)

Scenario with formulas: Cost Function C(Q)= 8q+3200 Revenue Function R(Q)= -10p^2+850p ( in terms of q, (1/10q^2)+85q ...? I think?) Find the break...

If the graph of the equation y=ax2+bx+c passes through the points (0,2), (-6,-7), and (8,-14), what's the value of a+b+c?

Find the point on the line 5x+3y+1=0 which is closest to the point (–1,3). x= ? y=?

I just need to understand how its done. I don't understand the midpoint formula.

Write the equation of the line through the points: (-3,16) (12,4)

The answer I got is x= -2. Am i right?

Find the equation of a line through the points (-2,1) and (3,6)

I have a rectangle of lined graph paper of 1mm squares. The rectangle is greater than 2r in height and width. Within the rectangle I randomly mark three or more points that are no further than 2r...

1) point (7,-6) and (9,4) are end points of the diameter of a circle. a) What is the length of the diameter? give the exact answer simplify as much as possible show work. b) What is the center...

need help with this equation

Find the point on the graph of y=x2 +1 that is closest to the point (8, 3/2).

Consider the points (1,6) and (3,-2). (a.) State the midpoint of the line segment with the given endpoints. (b.) Find the distance between the points. Show some work. Give the exact answer...

find distance between each pair of points. (5,3) & (5,-3)

How to write an equation for the line in point-slope form and then re-write in slope-intercept form.

A line passes through the given points (-1,0),(1,2). Write an equation for the line in point-slope form. Then rewrite the equation in slope-intercept form.

y= x^2 y= 2^x y= (1/2)x y= |-3x| y= -|4x| y= 2x+ 3