anonymous
  • anonymous
identify which lines are parallel: y=-x; y-3=-1(x+9); y-6=1/2(x-14);y+1=1/2x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Parallel lines have the same slope, so if you can get them all into Slope-Intercept form, you will be able to determine which lines have the same slope. Recall: Slope-Intercept form is written y=mx+b ; where m is the slope and b is the vertical intercept. y=-x is already in slope-intercept form ; the slope is -1 y-3=-1(x+9) First use the distributive property on the right side to get rid of the parenthesis y-3=-x-9 Then add 3 to both sides to get the y by itself y=-x-6 ; the slope is -1 y-6=1/2(x-14) Same thing as above for this one, distribute the 1/2 y-6=1/2x-7 Then add 6 to both sides y=1/2x-1 ; the slope is 1/2 y+1=1/2x Here, you just have to subtract 1 from both sides y=1/2x - 1 ; the slope is 1/2 So, to answer the question: The first two equations you gave each have the same slope, and the second two equations you gave each have the same slope.
anonymous
  • anonymous
y=-x; y-3=-1(x+9) <---- these two are parallel y-6=1/2(x-14);y+1=1/2x <---- and these two are parallel

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