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Year 9 Maths Advanced Coordinate Geometry and Graphs

Graphing ax^2+bx+c

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Questions
Question 1
32539

The parabola \(y=ax^2+bx+c\) is concave up. Which statement must be true?

A.

\(a<0\)

B.

\(b>0\)

C.

\(c<0\)

D.

\(a>0\)

\(a>0\)

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