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## krissywatts 2 years ago passing through (4,-2) and perpendicular to x=5/4y-2. Write in slope intercept form. For my answer i have y=-4/5x+6/5 is this correct?

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1. krissywatts

@jim_thompson5910

2. jim_thompson5910

x=5/4y-2 x+2=5/4y 5/4y = x+2 y = 4/5x + 2(4/5) y = 4/5x + 8/5

3. jim_thompson5910

the slope of y = 4/5x + 8/5 is 4/5 so the slope of x=5/4y-2 is also 4/5

4. jim_thompson5910

the perpendicular slope would be -5/4 because you flip the fraction and the sign of 4/5

5. jim_thompson5910

so your answer will have a slope of -5/4 not -4/5

6. krissywatts

the original slope was 5/4 not 4/5

7. jim_thompson5910

you first need to solve for y to get the slope

8. jim_thompson5910

5/4 is not the original slope

9. krissywatts

soo it would then be -4/5 for perp wouldn't it?

10. jim_thompson5910

-5/4 for the perp

11. jim_thompson5910

4/5 is the original slope

12. krissywatts

okay

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