Graphing Linear Functions

Describe the slope of the line.

• negative slope

• 0 slope

• positive slope

• undefined slope

What is the slope in the equation:  y = 4x + 3

• 3
• 4x
• 4
• x

What is the y-intercept in the following equation:  y = - 4x - 5

• -4
• -4x
• 5
• -5

When you graph a line using slope-intercept form (y = mx + b), you graph the ___________ first and then use the ___________ to find the second point.

• origin; slope

• slope; y-intercept

• y-intercept; x-intercept

• y-intercept; slope

What does "m" represent in y = mx + b?

• y-intercept

• slope

• x-intercept

• standard form

.Use the graph to determine the equation of the line in slope-intercept form.

• y = 3x + 3

• y = 1/3x + 3

• y = -1/3x +3

• y = - 3x + 3

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

When graphing, what do you do after you graph your y-intercept?

• Find slope and start with your run(left or right) then to rise (up or down)

• Find slope and start with your rise (up or down) then to run (left or right)

• Draw a vertical line

• Draw a horizontal line

Which of these represents slope-intercept form of a linear equation?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

Find the value of y when x =2 for the equation y = - 2x + 5.

• 9

• 5

• 3

• 1