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Genrish500 [490]
3 years ago
9

Which one is the positive slope A.) (2,-3,) and (1,-2), B.) (0,0) and (3,-3), C.) (-1,-1) and (5,4) , D.) (-3,0), (9,0)

Mathematics
2 answers:
sesenic [268]3 years ago
8 0

Answer:

C is the positive slope! (5/6)

I hope this helps! Please mark brainliest :)

Step-by-step explanation:

Slope formula:

(y2-y1)/(x2-x1)=m

A. (2,-3,) and (1,-2)

(-2+3)/(1-2)=m

1/-1=m

-1=m

B. (0,0) and (3,-3)

(-3-0)/(3-0)=m

-3/3=m

-1=m

C. (-1,-1) and (5,4)

(4+1)/(5+1)=m

5/6=m

D. (-3,0), (9,0)

(0-0)/(9+3)=m

0/12=m

0=m

bagirrra123 [75]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

Use slope = (y2-y1)/(x2-x1).

slope = (4 - -1)/(5 - -1)

slope = 5/6, positive

Hope this helps!

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Which system of equations below has infinitely many solutions? y = –3x 4 and y = –3x – 4 y = –3x 4 and 3y = –9x 12 y = –3x 4 and
Flura [38]

the equations y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions. option B is correct.

<h3>What is the linear system?</h3>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Condition for the parallel lines.

L1,  ax + bx + c = 0

L2, dx + ey + f = 0

If \rm \dfrac{a}{d} = \dfrac{b}{e} = \dfrac{c}{f} then lines have infinitely many solutions.

<h3>Which system of equations below has infinitely many solutions?</h3>

y = –3x + 4 and 3y = –9x + 12

On comparing we have

a = -3 , b = 1, and c = 4

d = -9 , e = 3, and f = 12

Then their ratio will be

\rm \dfrac{1}{3} = \dfrac{-3}{-9} = \dfrac{4}{12}\\\\\rm \dfrac{1}{3} = \dfrac{1}{3} = \dfrac{1}{3}

Hence  y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions.

Thus the option B is correct.

More about the linear system link is given below.

brainly.com/question/20379472

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Step-by-step explanation:

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