Answer:
D. The product of a constant factor 5 and a 2-term factor x+2
Step-by-step explanation:
Hope that helps
1) y + 1 = (1/4)(x - 3)
2) y - 6 = 0(x + 2)
3) y - 3 = -1(x + 2)
4) y + 7 = -2(x + 6)
Christy c = 90 min
kids k = 120 min
total time t = ?
I would do : 90+120 = 210 then divide that by 2 which equals 105 min
Answer:
Problem 1)
![slope_{perpendicular} = -4](https://tex.z-dn.net/?f=%20slope_%7Bperpendicular%7D%20%3D%20-4%20)
Problem 2)
![slope_{perpendicular} = -3](https://tex.z-dn.net/?f=%20slope_%7Bperpendicular%7D%20%3D%20-3%20)
Step-by-step explanation:
![slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}](https://tex.z-dn.net/?f=%20slope%20%3D%20m%20%3D%20%5Cdfrac%7By_2%20-%20y_1%7D%7Bx_2%20-%20x_1%7D%20)
![slope_{perpendicular} = \dfrac{-1}{m}](https://tex.z-dn.net/?f=%20slope_%7Bperpendicular%7D%20%3D%20%5Cdfrac%7B-1%7D%7Bm%7D%20)
Problem 1) M(9,6), N(1,4)
![slope = m = \dfrac{6 - 4}{9 - 1} = \dfrac{2}{8} = \dfrac{1}{4}](https://tex.z-dn.net/?f=%20slope%20%3D%20m%20%3D%20%5Cdfrac%7B6%20-%204%7D%7B9%20-%201%7D%20%3D%20%5Cdfrac%7B2%7D%7B8%7D%20%3D%20%5Cdfrac%7B1%7D%7B4%7D%20)
![slope_{perpendicular} = \dfrac{-1}{\frac{1}{4}} = -4](https://tex.z-dn.net/?f=%20slope_%7Bperpendicular%7D%20%3D%20%5Cdfrac%7B-1%7D%7B%5Cfrac%7B1%7D%7B4%7D%7D%20%3D%20-4%20)
Problem 2) M(-2,2), N(4,-4)
![slope = m = \dfrac{4 - 2}{4 - (-2)} = \dfrac{2}{6} = \dfrac{1}{3}](https://tex.z-dn.net/?f=%20slope%20%3D%20m%20%3D%20%5Cdfrac%7B4%20-%202%7D%7B4%20-%20%28-2%29%7D%20%3D%20%5Cdfrac%7B2%7D%7B6%7D%20%3D%20%5Cdfrac%7B1%7D%7B3%7D%20)
![slope_{perpendicular} = \dfrac{-1}{\frac{1}{3}} = -3](https://tex.z-dn.net/?f=%20slope_%7Bperpendicular%7D%20%3D%20%5Cdfrac%7B-1%7D%7B%5Cfrac%7B1%7D%7B3%7D%7D%20%3D%20-3%20)