A1 Unit 2 Review

Front

What is the y-coordinate of the solution to the system of equations x - 2y = 1 and x + 4y = 7?

Back

1

Front

What is the solution to the system of equations y = 3x - 8 and y = 4 - x?

Back

(3, 1)

Front

What is the solution to the system of equations represented by the points (1, -1), (-1, 1), (0, -2), and (0, 1)?

Back

(1, -1)

Front

What happens when you graph the same equation twice?

Back

You will have infinite solutions.

Front

Which system of equations represents Alexandra's situation of giving haircuts and hair dyes?

Back

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

Front

What is a system of equations?

Back

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

Front

How do you find the solution to a system of equations graphically?

Back

By finding the point where the graphs of the equations intersect.

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 does it mean if a system of equations has one solution?

Back

The lines intersect at exactly one point.

Front

What does it mean if a system of equations has infinite solutions?

Back

The equations represent the same line.