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intercepts
Asked Jun 14, 2012, 06:31 AM
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2 Answers how do i dp this?? for the equation 5x-3y=-30 i have 2 find x and y intercepts 5x-3y=-30 so let x be 0 0-3y=-30 and how do u do the last step for x and y?? |
2 Answers
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| Quote:
0 - 3y = -30 You're almost there - just solve for y. Start by adding '3y' to both sides: 0-3y+3y = -30 +3y 0 = -30 +3y Add 30 to both sides: 0 + 30 = -30 + 3y + 30 30 = 3y Divide both sides by 3: 30/3 = 3y/3 10 = y That's the y-intercept. Do the same process to find the x-intercept by setting y=0 in that original equation and solve for x. | ||||
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