Homework Help: algebra

Posted by mary on Sunday, July 17, 2011 at 3:44pm.

-2x+5y=-15

Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work.

algebra - bobpursley, Sunday, July 17, 2011 at 3:57pm
x intercept: when y is zero
y ntercept: when x is zero
algebra - Henry, Sunday, July 17, 2011 at 4:29pm
-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.
algebra - mary, Sunday, July 17, 2011 at 4:32pm
thank you
algebra - Henry, Sunday, July 17, 2011 at 5:31pm
Glad i could help!

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