Five and nine hundred twenty-one thousandths
So substitute the x and y
-4(-4+2)^2 - 3^2
-4(-2)^2 - 9
-4(4)-9
-16-9
-25
Answer:
16
Step-by-step explanation:
The constant in a perfect square trinomial is the square of half the coefficient of the linear term.
(x +a)² = x² +2ax +a²
For 2a=-8, a=-4 and a² = 16. The constant 16 must be added:
x² -8x +16 = 7+16 . . the left side is a perfect square trinomial
(x -4)² = 23 . . . . . . . the left side is a perfect square
Answer:
243, 729
Step-by-step explanation:
the last number given in the sequence is multiplied by 3
Answer:
Step-by-step explanation:
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