IB Math Topic 2 Review

Front

What is the y-intercept in the equation x + 2y = 4?

Back

The y-intercept is 2.

Front

If a system of equations has no solution, what does the graph look like?

Back

The graph consists of parallel lines.

Front

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

Back

The y-coordinate is 1.

Front

Give the y-intercept of the equation 5x + y = 5.

Back

The y-intercept is (0, 5).

Front

What are the x and y intercepts for the equation 4x - 10y = 20?

Back

x-intercept = 5, y-intercept = -2.

Front

Define the term 'x-intercept'.

Back

The x-intercept is the point where a graph crosses the x-axis, where y = 0.

Front

Define the term 'y-intercept'.

Back

The y-intercept is the point where a graph crosses the y-axis, where x = 0.

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and never intersect.

Front

How do you find the y-intercept from an equation in standard form?

Back

Set x = 0 and solve for y.

Front

How do you find the x-intercept from an equation in standard form?

Back

Set y = 0 and solve for x.