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Papessa [141]
3 years ago
10

AB and BC form a right angle at point B. If A= (-3,-1) and B = (4,4), what is the equation of BC?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Answer:  We have then:

y-yo = m (x-x0)

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

m = (4 - (- 1)) / (4 - (- 3))

m = 5/7

We choose an ordered pair:

(xo, yo) = (4, 4)

Substituting:

y-4 = (5/7) (x-4)

y = (5/7) x-20/7 + 4

7y = 5x - 20 + 28

7y = 5x + 8

y = (5/7) x + 8/7

The equation of the perpendicular line is:

-7x - 5y = -48

Answer:

the equation of BC is:

(C) -7x - 5y = -48

Step-by-step explanation:

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telo118 [61]

9514 1404 393

Answer:

  1. R'(-2, 2)
  2. F'(2, 2)
  3. G'(-2, -2)

Step-by-step explanation:

It can be useful to keep a list of the 90° rotation transformations.

  (x, y) ⇒ (-y, x) . . . . . . 90° CCW, 270° CW

  (x, y) ⇒ (-x, -y) . . . . . . 180°

  (x, y) ⇒ (y, -x) . . . . . . . 270° CCW, 90° CW

__

1) (x, y) ⇒ (-x, -y) . . . . 180°

  R(2, -2) ⇒ R'(-2, 2)

__

2) (x, y) ⇒ (-y, x) . . . . 90°

  F(2, -2) ⇒ F'( 2, 2)

__

3) (x, y) ⇒ (y, -x) . . . . 270°

  G(2, -2) ⇒ G'(-2, -2)

7 0
3 years ago
How many solutions are there to the system of equations? y = -6x + 2 and -12x - 2y = -4
GenaCL600 [577]
Infinite. 

By solving for slope-intercept form you will find that these two equations produce the same exact line. 
4 0
3 years ago
A set of data has 12 pieces of data. Which of the following statements is NOT TRUE?
BARSIC [14]
To help you understand this, it is helpful to create a sample set of data:

__,__,__,(Q1 is here)__,__,__,(median is here)__, __,__,(Q3is here)__,__,__

A. The first 3 lines are 3 pieces of data in the first quartile.

B. here are 6 pieces of data between the 1st and 3rd quartiles.

D. There are 3 pieces of data in the upper quartile.
                                 

5 0
3 years ago
S(-2, 4) and T (3,9).<br> The midpoint is MC). The distance between S and T is about
tresset_1 [31]

Answer:

for this one

midpoint=(0.5,6.5)

distance=7.1

Step-by-step explanation:

hope this help u

8 0
3 years ago
Read 2 more answers
Someone Help Please:))
timama [110]

Answer:

(0,3), (1,4) (2,5) and (3,6)

Step-by-step explanation:

f(x) = x + 3 is equivalent to y = 1x + 3 (y = mx + b)

b = the y intercept, when x is 0.

So y = 3, which means its (0,3)

To check:

f(x) = x + 3

f(0) = 0 +3

f(0) = 3

(0,3)

Now let's try that for all the values (1,2 and 3)

f(x) = x + 3

f(1) = 1 + 3

f(1) = 4

(1,4)

f(x) = x + 3

f(2) = 2 + 3

f(2) = 5

(2,5)

f(x) = x + 3

f(3) = 3 + 3

f(3) = 6

(3,6)

Hope that helps!

4 0
2 years ago
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