Year 10 Maths - 10
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) \(y=x^2+6x+10 \)
Part a:
2
\(~\text{intercepts}\)
1 mark
Part b:
1
\(~\text{intercept}\)
1 mark
Part c:
0
\(~\text{intercepts}\)
1 mark
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