Exploring Adding and Subtracting Rational Expressions

The video tutorial explains how to find x and y-intercepts of a graph. It begins with an introduction to the concept of intercepts, followed by detailed steps to find the x-intercept by setting y to zero and solving for x. The tutorial then covers finding the y-intercept by setting x to zero. It also briefly touches on calculating the slope of a line. The video includes examples to illustrate these concepts, ensuring a clear understanding of how to determine intercepts and slopes from equations.

Why do we set y equal to 0 to find the x-intercept?

• Because the x-coordinate is always 0 on the x-axis

• Because the y-coordinate is always 0 on the x-axis

• Because the y-coordinate is always 1 on the x-axis

• Because the x-coordinate is always 1 on the x-axis

What is the common y-coordinate for all points on the x-axis?

• -1

• 2

• 0

• 1

What is the x-intercept of the equation y = -3x + 6?

• x = 3

• x = -3

• x = 2

• x = -2

To find the y-intercept, what value should x be set to?

• x = 1

• x = 2

• x = 0

• x = -1

What is the y-intercept of the equation y = -3x + 6?

• y = 6

• y = 0

• y = 3

• y = -6

What is the common x-coordinate for all points on the y-axis?

• 2

• 0

• 1

• -1

What is the slope of the line given by the equation y = -3x + 6?

• -3

• 3

• -6

• 6

How do you find the x-intercept of the equation 2y + 4x = 10?

• Set x to 1 and solve for y

• Set y to 1 and solve for x

• Set x to 0 and solve for y

• Set y to 0 and solve for x

What is the x-intercept of the equation 2y + 4x = 10?

• x = 2.5

• x = 0.5

• x = 1.5

• x = 5

What is the y-intercept of the equation 2y + 4x = 10?

• y = 2

• y = 5

• y = 10

• y = 0