Question

what is the equation of the line that passes through {negative 4, negative 1}and {0,7}?
A.Y=2X PLUS 9
B. Y=X/2 PLUS 7
C. 2X PLUS 7
D. Y= NEGATIVE 2X PLUS 7

Here's a way to approach your problem.

'm' represents slope.
'b' the y-intercept.

m = (y2 - y1)/(x2 - x1)

m = [7 - (- 1)]/[0 - (-4)]

m = 8/4 = 2

Now you can find 'b' using the first ordered pair (-4, -1).

[y - (-1)]/[x - (-4)] = 2

(y + 1)/(x + 4) = 2

y + 1 = 2(x + 4)

Can you take it from here to finish?

I hope this will help.


graPH EACH EQUATION- INDICATE ONTHE GRAPH THE X-INTERCEPT AND THE Y INTERCEPT

Y=-4

Answer 1

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