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Earn +20 ptsQ: 4x2 16x plus 16 equals 0?
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Is this a trinomial square 4x2 plus 16x plus 16?
It is; (2x+4)^2.
The polynomial below is a perfect square trinomial of the form A2 - 2AB plus B2 4x2-16x plus 16?
True
How do you factor x cubed plus 4x squared plus 16x plus 64?
x3 + 4x2 + 16x + 64 =x2*(x + 4) + 16(x + 4) = (x + 4)*(x2 + 16) which has no further real factors.
5x-16 equals 3x?
5x - 16 = 3x2x - 16 = 02x = 16x = 8
What is the vertex of the parabola of y equals -4x 2-16x-11?
f(x) = -4x2 - 16x - 11 a = -4, b = -16, c = -11 x-coordinate of the vertex = -b/2a = -(-16)/2(-4) = 16/-8 = -2 y-coordinate = f(-2) = -4(-2)2 -16(-2) - 11 = -16 + 32 - 11 = 5 vertex is (-2, 5)
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