anonymous
  • anonymous
determine w/out graphing whether the system of equations has exactly one solution, no solutions, or infinite number of solutions 4x + 3y =8 6y = -8x +4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
yuki
  • yuki
one of the visually easiest ways to solve a problem like this is to fix the equations into "y = mx + b" the slope intercept form would you like to do that first ?
anonymous
  • anonymous
thank you i just did that I had bran freeze
anonymous
  • anonymous
Once you have them in either slope intercept, or point slope form you can find the answer by inspection.

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anonymous
  • anonymous
paralell many solution
anonymous
  • anonymous
Is that for differential equations? It's a weird questions because they are both clearly specific linear lines.
anonymous
  • anonymous
No, it's for algebra 2 most likely.
anonymous
  • anonymous
Also, Nancy is wrong, sorry =(
anonymous
  • anonymous
All right, well ill be quiet then. :)
yuki
  • yuki
if the slopes are the same, then there are two cases. 1), they are the same line algebraically, the two lines will look exactly the same so there are infinitely many solutions since the "two lines" intersect everywhere 2), they have the same slope but different y-intercept algebraically, m is the same but b is different they are parallel and never intersect, so there is no solution. if the slopes are different, then they will intersect at some point. so there will be exactly one solution.
anonymous
  • anonymous
I solve they are the same slope
anonymous
  • anonymous
Indeed, but they are not the same line. Two parallel lines that are not the same line will never intersect.
anonymous
  • anonymous
4x + 3y =8 y= -4/3x+2 6y = -8x +4 and y= -4/3x+2 yes the same slope is paraell y=4/3x +2/3 y= -4/3x+2 and
anonymous
  • anonymous
I forgot the same no solution,if the same line than many solution polpak right

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