x intercept: when y is zero
y ntercept: when x is zero
-2x+5y=-15
Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work.
4 answers
-2x + 5x = -15.
Let y = 0:
-2x + 5*0 = -15,
-2x = -15,
x = 7 1/2 = x-int.
Let x = 0:
-2*0 + 5y = -15,
5y = -15,
y = -3 = y-int.
Solution Sets: (7 1/2,0),(0,-3).
Use the above points to graph the Eq.
Let y = 0:
-2x + 5*0 = -15,
-2x = -15,
x = 7 1/2 = x-int.
Let x = 0:
-2*0 + 5y = -15,
5y = -15,
y = -3 = y-int.
Solution Sets: (7 1/2,0),(0,-3).
Use the above points to graph the Eq.
thank you
Glad i could help!
1 answer