Solving Systems of Linear Equations by Graphing

What is a system of linear equations?

• A single equation with one variable.

• A set of equations with the same variables.

• A set of equations with different variables.

• A single equation with multiple variables.

How is the solution of a system of linear equations represented?

• As a single number.

• As a point with x and y coordinates.

• As a line.

• As a curve.

What is the y-intercept of the equation y = x?

• 1

• 0

• x

• y

What is the slope of the equation y = 1/2x - 3?

• 1

• 2

• 1/2

• -3

Where do the lines y = x and y = 1/2x - 3 intersect?

• (-6, -6)

• (0, 0)

• (3, 3)

• (6, 6)

What is the y-intercept of the equation y = 3x + 1?

• 3

• 1

• 0

• -1

What is the slope of the equation y = -2x - 4?

• -4

• 4

• 2

• -2

Where do the lines y = 3x + 1 and y = -2x - 4 intersect?

• (-1, -2)

• (-2, -1)

• (1, 2)

• (0, 0)

What is the y-intercept of the equation y = -4x + 1?

• 4

• -4

• -1

• 1

Where do the lines y = x - 7 and y + x = 3 intersect?

• (5, -2)

• (-5, 2)

• (-7, 3)

• (7, -3)