1. a) What is the intersection point of the lines x=11 and y=-5?
Show algebraic and graphical evidence.
b) More generally, what is the intersection point of the lines x=a and y=b?
2. Determine the solutions to the equation y=(1/4)x+2 using Microsoft Excel.
Show the graph of the line using graphing calculator.
3. a)What are the x-intercept and y-intercept of the line given by 5x-16y=23?
Show algebraic and graphical evidence.
b) More generally, what are the x-intercept and y-intercept of the line given by the equation
Ax+By=C?
4. a) What is the definition of slope?
b) How do we calculate the slope of a line?
5. What are the slopes of the lines shown below?