Linear Equations, Inequalities, and Systems

What is the x - intercept of line A?

Write your answer as a coordinate.

Solve the system of equations by substitution: 2x-3y=8 y=2x What is the x - value?

Solve the system of equations by substitution: 2x-3y=8 y=2x What is the y - value?

What is the slope of the line that passes through the points (3, 2) and (5, -8)?

A vertical line has a slope of _____________.

• Undefined

• Zero

• 1

• Answer not shown.

A system of equations has lines B and C. The system has no solutions. What do you know about the slopes of lines B and C?

Is the point (0, 4) a solution to the system below?

• Yes, it is a solution for both equations.

• No, the point only works for one equation.

• Yes, the point does not work for either equation.

• No, the point does not work for either equation.

• A solid line, shaded up.

• A dotted line, shaded up.

• A dotted line, shaded down.

• A solid line, shaded down.