Question

If the slope of the line that passes through the points (a,0) and (1,2) is 1/2, what is the value of a?

Answer 1

Well, what is a formula to find "slope"

Answer 2

I'm trying to find that out by asking..?

Answer 3

The slope formula is:
y2-y1
--------
x2 - x1

Answer 4

The given points (a,0) can be considered as (x1,y1) while points (1,2) can equate to be (x2,y2)

Answer 5

Assist yourself Budhkar


http://www.google.com/imgres?q=Slope+formula&um=1&hl=en&sa=N&biw=1760&bih=768&tbm=isch&tbnid=faYsPaxMugtG3M:&imgrefurl=http://itech.pensacolastate.edu/falzone/course/1033handouts.htm&docid=b4lM_IBmFFq2SM&imgurl=http://itech.pensacolastate.edu/falzone/images/slope1.gif&w=96&h=48&ei=IYkkT96_GOLfiAL-or3DBw&zoom=1&iact=hc&vpx=229&vpy=395&dur=61&hovh=47&hovw=94&tx=111&ty=36&sig=105443313308224766963&page=1&tbnh=47&tbnw=94&start=0&ndsp=36&ved=1t:429,r:9,s:0

Answer 6

my bad :P