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Earn +20 ptsQ: What is the x-intercept of y equals x2 plus 6x plus 8?
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X2 plus 6x plus 8 equals?
The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)
How many roots does y equals x2 - 6x plus 9 have?
one
What is the vertex of y equals x2-6x plus 6?
(3, -21)
What does the equation y equals x2 - 6x plus 2 become after completing the square?
y = x2 - 6x + 2 y = x2 - 6x + 9 - 7 y = (x - 3)2 - 7
How do you solve x2 plus 6x equals -9?
2x+6x=-9 => 8x=-9=> x=-8/9
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