Answer:
y = -4x+4
Step-by-step explanation:
Pick two points on the line
(0,4) and (1,0)
We can find the slope
m = (y2-y1)/(x2-x1)
= (0-4)/(1-0)
= -4/1 =-4
We know the y intercept is 4
The slope intercept form of the equation is y = mx+b where m is the slope and b is the y intercept
y = -4x+4
Answer:
Khan Academy is awesome.
Step-by-step explanation:
Khan Academy has videos to help you learn and solve problems, which is pretty resourceful.
Answer:
x^3+3x^2+9x+27
Step-by-step explanation:

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The factoring of the difference of squares is used (twice):
a² -b² = (a -b)(a +b)