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Earn +20 ptsQ: X2 - 1 equals 0
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X2 plus 2x plus -6 equals 0?
x2 + 2x -6 = 0 x2 + 2x + 1 = 7 (x + 1)2 = 7 x = -1 ± √7
If gx equals x2 plus 1 than what is g0?
G of x= x2+1the G(0)= (0)2+10+1G(0)= 1
What number is needed to complete the square x2 23x equals 0?
x2 23x equals 0
What are the solutions for x when y equals 0 in the quadratic function y equals x2 plus x?
y = x2 + x = 0 x (X + 1) = 0 x = 0 is one solution x = -1 is the other
Solve x2 plus 4x plus 3 equals 0?
x2 + 4x + 3 = 0 (x + 1)(x + 3) = 0 x ∈ {-3, -1}
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