Functions
What is the y-intercept of the following equation?
y=5.2x-7
-7
Solve the following equation y=3.5x-2 when x=7.
22.5
What is the slope of a line that passes through the points (5,7) and (9,15)?
2
Find the solution to the following system of equations -3x+y=5 and 4x-2y=-20
(5,20)
Given only a graph, how would you determine if that graph is a function or not.
Vertical Line Test