Work for Day 1 Quiz!

1.  y= -5/3x+3
 
     y= 1/3x-3  

Work!!
1) Find the y intercept (+3)
2) Put it on the graph
3) Then find the slope (-5/3x)
4) This will go on the x and y axis
5) Slope is rise over run
6) On the graph you will go down 5 (because it is a negative) on the y axis
7) Then you will go 3 over to the right (because it is a positive)on the x axis
8) Now do the same for the other equation
9) Find the point of intersection (point where they cross)
10) Then you have your answer (3,-2)


2. y= 4x+3
    y= -x-2

Work!!
1) Find the y intercept (3)
2) Put it on the graph
3) Then find the slope (4x)or (1/4x)
4) This will go on the the x and y axis
5) Slope is rise over run
6) On the graph you will go up 1 on the y axis
7) Then you will go 4 over to the right on the x axis
8) Now do the same for the other equation
9) Find the point of intersection (point where they cross)
10) Then you have your answer (-1,-1)


3. y= -1/2-1
    y= 1/4x-4

Work!!
1) Find the y intercept (-1)
2) Put it on the graph
3) Then find the slope (-1/2)
4) This will go on the x and y axis
5) Slope is rise over run
6) On the graph you will go down 1 on the y axis
7) Then you will go 2 over to the right on the x axis
8) Now do the same for the other equation
9) Find the point of intersection (point where they cross)
10) Then you have your answer (4,-3)

4. y= -1
    y= -5/2x+4

Work!!
1) This first equation doesn't have a y intercept just the slope
2) Pt the slope (-1) on the graph and it will just be a straight line
3) For the second equation you would solve it like the previous problems
4) Find the point of intersection (point where they cross)
5) Then you have your answer (2,-1)