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Earn +20 ptsQ: What is the answer to x2 16x 640?
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What is the answer to x2-16x23?
what number do you add in the equation x2-16x=23
What number must you add to complete the square x2 plus 16x equals 3?
Half of the coefficient of x, squared. For example: x2 + 16x -3 you would add 8^2. Then you would have: x2 +16x +8^2 = 3-8^2 Which leads to: (x+8)^2 = -61
What is the shape of the function y equals 16x plus x2?
(the shape is an upside down 'u').
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.
What equation results from completing the square and then factoring x2 plus 16x 41?
(x+8)^2=105
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