Substitution/Elimination

Substitution

100

-x+2y=6; 3x-2y=2

(2,2)

200

4x+y=7; 2x+5y=-1

(2,-1)

300

3x+2y=-2; 6x-y=6

(2/3,-2)

400

2x+4y=-4; x-2y=10

(4,-3)

500

4x+y=-1; 8x+2y=-2

Infinitely many solutions

Elimination

100

-3x+3y=3; 3x+y=9

(2,3)

200

-5x+12y=20; x-2y=-6

(-16, -5)

300

3x+2y=1; 4x+6y=7

(-4/5,17/10)

400

5x+7y=-2; 2x-7y=9

(1,-1)

500

4x+6y=8; 2x+3y=3

No solution

Definition

100

Set or collection of equations that you work with all together at once

A system of linear equations

200

Way to solve linear equations by substituting numbers

Substitution method

300

Way to solve linear systems by eliminating variables

Elimination method

400

Branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to represent the equation

Algebra

500

Branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles and figures

Geometry

Any Method

100

5x+7y=-2; 2x-7y=9

(10,10)

200

4x+6y=8; 2x+3y=3

(17/7, 9/7)

300

3x-8y=0; -2x+5y=-2

(16,6)

400

2x-5y=3; -4x+10y=-6

Infinitely many solutions

500

5/4x+y=-9/2; x+3/2y=-12

(6,-12)

Random Trivia

100

Who is your student teacher?

Ms. Higginbotham/Ms. H

200

How many medals did the U.S. win in the Rio Olympics?

121

300

How many states are there in the continental U.S?

48

400

What's acronym of your school?

LDHS

500

What is the teaching program both your teacher and student teacher went through?

Teach North Texas