Elimination or Substitution?
Random
Math in the real world
Find X
Quadratics
100
y=2
x=y+2
Substitution
100
What's in the background of Mr. Garcia's Camera
Poster/Piano/Door/Anything
100
If Mr. Garcia buys a pizza every day for two years how many pizzas does he buy?
Ignore leap years
730
100
Find x when y=2
y = 3x - 7
x = 3
100
What is the value of -2?
4
200
x + y = 1
x - y = 2
Elimination
200
How can we check our solutions in math?
For example how could I check that 4,2 is a solution for x=2y
Plug in our answers and recheck
200
If there are 30 teachers at West and there are 420 students.
What is the ratio of teachers to students
Hint ratios look like 1:##
1:14
200
What is the x when y is 3.5?
4
200
Which way does this graph open (Up, Down) ?
X Y
-2 12
-1 3
0 0
1 3
2 12
Up
300
3x + 4y = 5
y = 3x + 2
Substitution
300
Who will be the next president?
Joe Biden
300
Give an example of a parabola in the real world
Answers vary
300
Find an X
Bottom left corner
300
What causes the difference between a linear equation and a quadratic equation?
One is x
One is x2
400
3, -3
400
Name another holiday besides Thanksgiving
For each holiday you get 100*Holiday up to 400
Answers will vary
400
If tests (T) are worth 50% of your grade and projects (P) are worth 50%
Write an equation to solve for your total grade (G)
.5*T + .5*P = G
400
Find x when y = 20
X Y
-2 -15
-1 -8
0 -1
3
400
y = (-5)2 + 3
y = 25 + 3
y = 28
500
4y + 6x = 2
2y + 2x = -2
Justify your answer
Either Method !!!
500
Mr. Zimmie or Mr. Garcia?
Choose Wisely.....
Actually Mrs. A
500
Its about that time of year for the holiday shopping.
The new PS5 is coming about and that thing cost 500 dollars. Games for the system are going to cost 60 bucks too.
Create an equation to solve for total cost and figure out the total cost of 13 games and the PS5.
T = 60*G + 500
T=60*13 +500
T=780+500
T=1280
500
Find x when y is 12
3x + 5y = 108
16
500
What is y when x= 6
y = x2 - 4x +5
17