Systems

Graphing

100

Find the solution to the system by graphing:

y=-1/2x + 2

x-y=1

(2,1)

200

Find the solution to the system by graphing:

y=-5/2x-3

x-2y=-6

(-2,2)

300

Is (3,1) a solution to the system:

y=1/3x+1

y=-3x+11

No

400

How long is a jiffy? For example, when people say be back in a jiffy

1/100th of a second

Substitution

100

Solve the system using substitution:

y=2x+5

y=-3x+10

(1,7)

200

If you add the numbers 1-100 what do you get?

1+2+3+4...

5050

300

Solve the system using substitution:

3y=12x-6

2y-4x=10

(7/2,12)

400

Find the solution to the system by substitution:

y=3/4x+1

3x-4y=8

No solution! ha ha ha

Elimination

100

Solve the system using elimination:

2x + 3y = 11

-2x + 5y = 13

(1,3)

200

What does calculus mean in Greek?

Hint: small rocks

Pebbles

300

Solve the system using elimination

-2y + 7x = 5

-3y + 7x = 4

(1,1)

400

Solve the system using elimination:

x - 4y = -19

3y - 15 + x

(-3,4)

Who Knows?

100

The formula for the volume of a circle is:

Pi x r² x h

If r=Z and h=A, what is the volume of the circle?

Pi x Z x Z x A

PIZZA

200

Write a system of equations with the solution (1,-3)

Answers will vary

300

What is the only prime number that is also even?

2

400

What is the most popular favorite number, world-wide?

7