It's the equation of a wavy wiggly line graph that looks like a rope being waved
up and down.
The maximum value of the wavy graph is y=7, the minimum value is y=-7, and the
average is zero ... the x-axis cuts straight through the middle of all The Wiggles.
If 'x' is in degrees, then the graph crosses the x-axis at 22.5 and then again at
every 45 after that.
If 'x' is in radians, then the graph crosses the x-axis at (pi)/8 and then again at
every (pi)/4 after that.
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y= -4x-7 y=3x 3x= -4x-7 3x+4x=7 7x=7 x=1
11
4x - 4y + 7 = 15to get it into y-intercept form do this...4x -4x - 4y + 7 - 7 = 15 - 7 - 4x-4y = 8 - 4x-4y / -4 = (8 / -4) + (-4x / -4)y = x + 2you did not give any values to plug in so this is as best an answer i can give
8 + y = 4x8 + y - 4x = 4x - 4x 8 + y - 4x = 0 8 - 4x + y = 0
y = 4x-3