Write an algebraic expression for the current situation. \ \
The algebraic expression is .
First find the y intercept.
\The y-intercept is the value of y, when x = 0.
\ (Substitute x = 0 in original equation)
(Multiplication property of zero:
)
(Divide each side by 20)
(Cancel common terms)
(Divide:
)
The y-intercept is 1000, so the graph intersects the y-axis at .
Next find the x-intercept.
\The x-intercept is the value of x, when y = 0.
\ (Substitute y = 0 in original equation)
(Multiplication property of zero:
)
(Divide each side by 50)
(Cancel common terms)
(Divide:
)
The x-intercept is 400, so the graph intersects the x-axis at .
The x-intercept is 400.
\The y-intercept is 1000.