Linear and Quadratic Functions: Writing and Graphing Linear Functions

think icon Think & Click: Writing Equations

Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on it to reveal the solution.

Write the equation of a line given the points (2, 5) and (-1, -2).
 

y equals to seven divided by three x plus one third
 

Write the equation of a line given a slope of one fourth and a point (2, -4).
 

 y equals one fourth x minus nine divided by two
 

What is the equation of the line graphed below?

y = 2x – 3
 
Graph of y equals two x minus three