Exploring Rational Expressions: Addition and Subtraction

What does the 'm' represent in the slope-intercept form y = mx + b?

• The x-intercept

• The slope

• The y-intercept

• The constant term

In the equation y = 1/2x - 5, what is the y-intercept?

• 0

• -5

• 1/2

• 5

When graphing the function y = 1/2x - 5, where do you start?

• At the origin

• At the y-intercept

• At the x-intercept

• At any random point

How do you graph the slope 1/2?

• Up 1, over 2

• Down 2, over 1

• Up 2, over 1

• Down 1, over 2

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

• -3

• 3

• -2

• 2

How do you graph a negative slope like -2?

• Up 2, over 1

• Down 2, over 1

• Down 1, over 2

• Up 1, over 2

What is the slope of a horizontal line?

• Undefined

• Zero

• Positive

• Negative

What is the equation of a vertical line?

• y = any number

• x = any number

• y = mx + b

• x = my + b

What is the slope of a vertical line?

• Negative

• Zero

• Positive

• Undefined

What is the slope-intercept form of a linear equation?

• y = mx + b

• y = ax^2 + bx + c

• y = mx - b

• x = my + b