Question

Check if im correct??

Write the equation of the line that has an x-intercept of -3 and passes through the point (-3, 7).


x = -3
y = -3
y = 7 <--

Answer 1

nope :/

Answer 2

x-intercept is when y=0

Answer 3

So there would be no y pretty much

Answer 4

ohhh so since theres no y anymore it would be x=-7??

Answer 5

Pretty much
Poor Kc :3

Answer 6

SO, the solution to your problem is given as follows, combining with what has been said already:
\[y= mx+ c\]
this is the equation of the line as per your question, where
\[m\] is the gradient obtained by

\[m =\frac{y _{2} - y _{1} }{ x _{2}-x _{1} }\]

\[c\] is the \[y\]intercept , where the line passes through the \[y\] axis.

so, as per the graph above, you can actually see that you have two points \[\left( -3, 7 \right)\] and \[\left( -3,0 \right)\]

you can now calculate the gradient, and fit in all the necessary numbers into the above equation of a straight line.