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Year 10 Maths - 10A Parabolas and Other Graphs

Parabolas Using The Quadratic Formula

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Questions
Question 1
43354

Use the discriminant to determine the number of x-intercepts for the following parabolas

i) \(y=x^2+6x+8\)
ii) \(y=x^2+6x+9\)
iii) \(y=x^2+6x+10 \)

i) 2 intercepts  ii) 1 intercept  iii) No intercepts

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