Systems Review 5.1-5.4

Front

Is (-3, -2) a solution to the system?

Back

Yes

Front

Solve the system: y = 2x - 5 and 3x = 12.

Back

(4, 3)

Front

Which system of equations represents the situation: Alexandra can give 3 haircuts and 2 hair dyes in 315 minutes, and 2 haircuts and 4 hair dyes takes 450 minutes?

Back

3x + 2y = 315 and 2x + 4y = 450

Front

What is the solution to the system? (Choose one) (1.3, 0), (3, 0), (2, -1), (3, -3)

Back

(2, -1)

Front

Which result to solving a system means Infinitely Many Solutions? (Choose one) 5=10, 0=0, x=y, -5=5

Back

0=0

Front

What is a system of equations?

Back

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

Front

What does it mean if a system of equations has no solution?

Back

The lines representing the equations are parallel and never intersect.

Front

What is the graphical representation of a system of equations?

Back

The intersection point(s) of the lines on a graph.

Front

What is the substitution method in solving systems of equations?

Back

Solving one equation for a variable and substituting that expression into the other equation.

Front

What is the elimination method in solving systems of equations?

Back

Adding or subtracting equations to eliminate a variable.