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Earn +20 ptsQ: What does 2x plus 7 plus 5x-4-x equal?
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Is 2x plus 3y plus 7 equal to 3 a linear equation?
Yes.
Is x plus 2y equal 7 and 2x plus 4y equals 3 perpendicular?
No. They are parallel.
What does the x equal in the problem 2x equals x plus 7?
It equals 7 since 2x = 7+x where 2 has 2x but 7 is one x because there is only one x . So it is 7.
4x2 plus 28x plus 49?
4x2 + 28x + 49 = 4x2 + 14x + 14x + 49 = 2x(2x + 7) + 7(2x + 7) = (2x + 7)(2x + 7) or (2x + 7)2
What is the name of this function 4y plus 8 equal to 3x to the power of 2 minus 2x plus 1?
if you rearrange it, it becomes 4y + 8 = 3x2 -2x +1 4y = 3x2 -2x -7 y= (3x2 -2x -7)/4 which is a parabola
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