Writing Equations in Slope Intercept Form

Write an equation of a line with slope 3 and y-intercept 8.

Write an equation of the line in slope-intercept form.

Write an equation of the line in slope-intercept form.

Write a linear function with the given values.

Write an equation of the line in slope-intercept form.

In 2003 a gallon of gas cost $1.75. In 2013 a gallon of gas cost $3.50. Write a linear model that represents the cost (x) as a function of the years.

How do you identify the slope in a linear equation that is in slope intercept form? y = mx + b

• the number in front of the y

• the number used for b

• the number in front of x

• you subtract x and y

What is the y intercept of the following graph?

• 0

• 1

• 3

• 4