What equation has an x intercept of (-4,0) and y intercept of (0,9)

In the linear format of y=ax+b, b is the y-intercept hence it is 9.

y=ax+9

Then insert (-4,0) which would then be

0=-4a+9

-9=-4a

9/4=a

Thus the answer is y=9/4x+9 which can also be described as 9/4x-y=-9

the correct answer to your question is a. 4^4

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c