Q2W7 Weekly Flashcard

Front

Which variable is the easiest to eliminate in the system: 3x + 5y = -15 and -3x - 4y = 30?

Back

x

Front

What is the solution to the system: 3x + 5y = -15 and -3x - 4y = 30?

Back

(1, 3)

Front

Solve for x and y: 2x − 3y = −1 and y = x − 1.

Back

(4, 3)

Front

Solve using Elimination Method: x - y = 11 and 2x + y = 19.

Back

(10, -1)

Front

What is the first step in solving this system using the Elimination Method: 2x + 2y = -2 and 3x - 2y = 12?

Back

Add the like terms. The y terms will cancel out.

Front

What is the Elimination Method in solving systems of equations?

Back

A method that involves adding or subtracting equations to eliminate one variable.

Front

What does it mean to solve a system of equations?

Back

Finding the values of the variables that satisfy all equations in the system.

Front

What is a system of equations?

Back

A set of two or more equations with the same variables.

Front

What is the graphical representation of a system of equations?

Back

The point(s) where the graphs of the equations intersect.

Front

What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable and substituted into the other equation.