Finding the x and y intercepts and then graphing the equation using the intercepts

The video tutorial explains how to identify and graph linear equations by finding the X and Y intercepts. It begins with an introduction to linear equations, highlighting that variables are to the first power. The tutorial then details how to determine intercepts, emphasizing that the Y intercept occurs when X is zero and vice versa. The instructor demonstrates calculating the Y intercept by substituting zero for X and solving the equation. Similarly, the X intercept is found by setting Y to zero. Finally, the tutorial shows how to plot these points on a graph and draw the line, providing a clear method for graphing linear equations.

What characteristic of a linear equation helps identify it as linear?

• Variables are squared

• Variables are to the first power

• Variables have roots

• Variables are cubed

Where does a line cross the Y-axis on a graph?

• At the Y intercept

• At the origin

• At the midpoint

• At the X intercept

What is the X value at the Y intercept?

• Y

• 0

• 1

• X

How do you find the Y intercept of a linear equation?

• Set Y to zero and solve for X

• Set X to zero and solve for Y

• Solve for X and Y simultaneously

• Set both X and Y to zero

What is the Y value at the X intercept?

• X

• Y

• 0

• 1

What is the X intercept of the equation if Y is zero?

• 3/4

• 1/3

• 0

• 4/3

What is the final step in graphing a line using intercepts?

• Find the slope

• Calculate the midpoint

• Determine the axis

• Connect the intercepts