Solving Systems of Equations

Front

Solve this system by substitution.

Back

(1, 4)

Front

What is the solution to this system of equations? Options: (4, -1), (-1, 4), (-4, 1), (-4, -1)

Back

(4, -1)

Front

The first step in solving using the substitution method is __________.

Back

get either variable by itself

Front

How many solutions will this system have? Options: No solution, One Solution, I Don't Know, Infinitely Many Solutions

Back

No solution

Front

Solve by matrices: 4x+9y=28, -4x-y=-28

Back

(7,0)

Front

Solve by matrices: 7x+y=-9, -3x-y=5

Back

(-1,-2)

Front

What is the first step in solving a system of equations by elimination/matrices?

Back

Get both equations in standard form and line up the like terms.

Front

The solution (x, y) to a system of equations is the point where they...?

Back

Intersect

Front

Which method would be best for solving the system:

3x + y = –14

–2x – y = 9

? Options:

Substitution

,

Elimination/Matrices

Back

Elimination/Matrices

Front

Which is the best method to use for solving the system of equations?

y = 6x − 11

−2x − 3y = −7

Back

Substitution because a variable is isolated.