NateThan
NateThan NateThan
  • 12-07-2017
  • Mathematics
contestada

Find the value of r so the line that passes through each pair of points has the given slope.
(-4,3), (r,5), m = 1/4

Respuesta :

bcalle
bcalle bcalle
  • 12-07-2017
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
Answer Link

Otras preguntas

Given the data below which set of numbers contains the lower quartile median and upper quartile help fast please !!
NEED HELPP ASAPP SOMEONE HELP
How does god view money
5. prepare a film/ book review you have seen/read recently ​
Make g the subject of the formula [tex]w=7-\sqrt{g}[/tex]
Really need help and am hoping someone can help me!!
Four students each contribute $12 to buy a pizza, salad, and large soda. How much would each student pay if two more students also contributed? E. $6.50 F. $6 G
Someone help me find the length of ST please!
Tell me the coordinates
How do I write 780,000 in scientific notation.I’m having finals and I need lots of help pls explain how u got it answer