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Earn +20 ptsQ: Complete the square for 3x2 - 12x 9.?
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What is the x intercept for y equals -3x2 plus 12x-9?
1 and 3
What is the factorization of the trinomial 3x2 plus 36x plus 81?
3x2 + 36x + 81 = 3(x2 + 12x + 27) = 3(x + 3)(x + 9), which are its prime factors; or, if you prefer, 3x2 + 36x + 81 = (3x + 9)(x + 9), which is also accurate. You may easily verify these results by multiplying back.
Is it a perfect square 4x2 plus 12x plus c?
Only if the value of c is 9 because:- 4x2+12x+9 = (2x+3)(2x+3)
What number must be added to complete the square of x SQUARED plus 12x equals -3?
9
How many square feet in a 12x 9?
108 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
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