Join IDNLearn.com and start exploring the answers to your most pressing questions. Our experts provide timely, comprehensive responses to ensure you have the information you need.

Find th equation of the line below.If necessary, use a slash to indicate a division bar..
(2,14) (1,7)


Sagot :

General equation for line:
y=ax+b
Putting those points to equation:
(2,14)
14=a*2+b
(1,7)
7=a+b
From substituting method:
a=7-b
14=(7-b)*2+b
14=14-2b+b
b=0
a=7
y=7x - result
[tex](2,14), \ \ (1,7)\\\\\\ First \ find \ the \ slope \ of \ the \ line \ thru \ the \ points \: \\ \\ m= \frac{y_{2}-y_{1}}{x_{2}-x_{1} } \\ \\m=\frac{ 7-14}{1-2} = \frac{ -7}{-1}=7 \\ \\ Use \ point \ form \ of \ a \ line\ with \ one \ point: \\ \\ y-y_{1} =m(x-x _{1}) \\ \\m=7, \ \ x_{1}=2, \ \ y_{1}=14\\\\y-14 =7(x-2)\\\\y = 7 x-14+14 \\\\ y=7x[/tex]