Graphing
Substitution
Elimination/Word Problems
Inequalities
Do you know Ms. K?
100
What is the solution to this system?
(2, -3)
100
Solve for x and y.
y=5x-14
-x-3y=10
(2, -4)
100
-x-4y=4
5x-12y=-20
(-4, 0)
100
Is (-6, -2) a solution?
y>=5x+3
y>=x-1
Yes
100
Why was Ms. K out on Monday?
She went to the social security office to change her last name to her husband's (but didn't have all the correct paperwork and now has to go back later).
200
What is the solution to this system?
-5x+6y=25
-7x+8y=33
(1, 5)
x = 1, y = 5
200
y=6x-11
5x+2y=12
(2, 1)
200
-8x+7y=-3
-8x+3y=17
(-4, -5)
200
Is (0, 0) a solution?
y<-x+2
y>=1/3 x-2
Yes
200
Ms. K's birthday was last Friday. How old did she turn?
28.
300
How many solutions does this system have?
x+2y=4
3x+6y=18
None!
300
-3x+y=2
y=-x-2
(-1, -1)
300
What is the x coordinate equal to for this system?
-9x+4y=-2
3x-8y=-26
x = 2
300
Is (6, -2) a solution?
5x+2y>=4
x+4y<-8
No.
300
What market does Ms. K have this Saturday?
Tulsa Indie Market, 11-4 (at Tulsa Elks Lodge, 51st and Harvard)
400
What does a need to be to have no solution? (hint: go into desmos and add a slider for a)
ax-2y=5
-6x+4y=7
a = 3
400
y=1/2x-8
y=-2x-3
(2,-7)
400
5x-y=-5
3x-6y=24
(-2, -5)
400
Is (0, 0) a solution?
5x+2y>=4
x+4y<-8
No
400
What was the new candle Ms. K made this week (yesterday's board picture)?
Opalite candle
500
(3, 1)
500
y = x+6
y=-2x-3
(-1, 5)
500
3x+5y=2
4x-2y=-6
(-1,1)
500
Is (4, -4) a solution?
5x+2y>=4
x+4y<-8
Yes
500
How many weeks along is Ms. K's baby?
25 weeks (on Sunday)