mason1616 mason1616

12-11-2016
Mathematics

contestada

What is the equation of the line perpendicular to –x + y = 7 and passing through (-1, -1)?

-x + y = 2

-x – y = 2

x – y = 2

-x – y = 0

x + y = 0

Respuesta :

13-11-2016

y = x + 7
m1 = 1
m1 × m2 = - 1
1 × m2 = - 1
m2 = - 1

- 1 = - 1(-1) + c
- 1 = 1 + c
c = - 2
y = - x - 2
x + y = - 2
- x - y = 2

the answer is the 2nd one

Answer Link

Otras preguntas

Any number that can be written as a fraction is called a A percent B proportion C rational number D percent proportion

You know Dasher and Dancer And Prancer and Vixen, Comet and Cupid And Donner and Blitzen. But do you recall The most famous reindeer of all? Rudolph, the red-no

2(2 – 2x) = –3x A. –4 B. 4 C. 6 D. 0

solve for m: 329 + 5.75m = 363.50

Find the 51th term of the arithmetic sequence 25, 12 and -1

I would use this strategy to find y. Triangle Sum Theorem Pythagorean Theorem Law of Sines Law of Cosines

Please help with this question, thank you.

Do sb know da answerrrrr ?

Lucy is a waitress. At the end of the night she must give 12% of her tips to the cleaning crew. How much does she go home with if she made $320 in tips last nig

what cultural changes did bipedalism cause