Which strategy
y = 2x+3
y = -4x-3
Setting equal
y = 3x-2
y = 3x+2
None
y = 3x+2
Start the graph at ?
do you go up or down?
By how much?
Right by?
2
up
3
1
x+6 = 12
6
set up equations:
Alex has 100$ saved and is saving 10 per month?
y = 10x+100
2y= 3x+4
y = x+2
Substitution
y = 3x+2
y = 3x+2
Infinite
y = -3x-2
Start the graph at ?
do you go up or down?
By how much?
Right by?
-2
down
-3
1
4x-3 = 5
2
solve y = 2x+2 and y = 3x-2
x = 4 and y = 10
y = 5x+2
y = 5x+2
none , infinite
y = 2x+6
y = 3x+6
One
y = -3/2x+2
Start the graph at ?
do you go up or down?
By how much?
Right by?
2
down
3
2
x+2 = 2x-1
3
Solve
3x+2y = 9
y = x+2
x = 1 y = 3
y = 2x
y = 2x-2
equal
y = -2x-2
y = 5x+2
One
y = 3x+-6
y = 3x+-6
Start the graph at ?
do you go up or down?
By how much?
Right by?
-6
up3
1
2(x-2) = 3x+10
-14
Mahmoud has 200$ saved and is saving $5 per month
Penny has 300 $ saved and is saving $1 per month. write equations for both
y = 200+5x
y = 300+1x
3y+2x= 5
4y+2x = 100
substitution
y = 3x+3x+6+6
y = 6(x+2)
Infinite
y = -1/2x+2-4
Start the graph at ?
do you go up or down?
By how much?
Right by?
-2
down
1
2
3(x-6) = 4(x+2)
-26
Solve
Indigo is at the 10 yard line and moving at 1 mph
Sa'Mara is at the 2 yard line and moving at 2mph
when will they make contact ? (they are in the same line ) get y and x values
at x = 8 and 18?