Find the value of r so the line that passes through each pair of points has the given slope.

1 answer:

3 0

M = (y2 - y1) / (x2 - x1)
1/4 = (5-3) / (r +4)
1/4 = 2/ (r + 4)
Cross multiply
2*4 = r + 4
8 = r + 4
Subtract 4 from both sides
4 = r

CHECK
(-4,3)(4,5)
m = (5-3)/(4--4) = 2/8 = 1/4

You might be interested in

Factor a number, variable, or expression out of the polynomial shown below.

katen-ka-za [31]

Your answer is B.

Just take what is being multiplied by (10x-7) and put it together to get
(x+11)(10x-7)

Hope this helps :-)

8 0

3 years ago

The answer to this question

vfiekz [6]

Answer: Easy 17 25/48

8 0

2 years ago

Read 2 more answers

Find the rate of change:<br> Time: 9:00. 10:00. 11:00. 12:00<br> Temperature: 60. 62. 64. 66

tia_tia [17]

The rate of change is +2 degrees per hour (an increase of 2 degrees per hour)

3 0

3 years ago

A 13 foot board is cut into 2 pieces, if one piece is x feet long express the other length in terms x

pychu [463]

Answer:

if they are equal then it would be 6.5

7 0

2 years ago

What is this number in standard form?

balandron [24]

Answer: y=5(x+15)2−26 5

8 0

2 years ago