unit 7

(-3,6)

-4x+y=6 -5x-y=21

(-37,-188)

-5x+y=-3 3x-8y=24

(-3,-2)

-8x+7y=10 9y=-18

(7,-1)

4x+8y=20 -4x+2y=-30

(3,6)

5x-2y=3 y=2x

(-7,2)

6x+9y=-24 3y=6

y=40 x=20

A snack bar sells two sizes of snack packs. a large snack pack is $5, and a small snack pack is $3. in one day, the snack bar sold 60 snack packs for a total of $220. How many small snack packs did the snack bar sell?

(6,8)

Y-2x=-4 Y=x+2

No solution

Y=6-2x Y=-2x+3

values 3.4 & -1.4 you put the vaules given into Y= and 2nd trace and find the intercetion of both points and write x and y but X is your answer

consider the two functions f(x) and g(x) below. what are the values of X makes f(x)= g(x) f(x)= X^2 g(x)= 2x+5

(-1,0)

x=2y-1 3x-2y=-3

(5,0)

x=5 2x+y=10

(-1,5)

y=6x+11 2y-4x=14

y=1 x=5

you pay $22 to rent 6 video games. the store charges $4 for new games and $2 for older games. how many new games did you rent?