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SAT MATH · Quadratics & Parabolas · Advanced

Quadratics & Parabolas: The graph of math passes through math and math. Find math.

Factoring, vertex form, discriminant.

Try the problem

The graph of y=ax2+bx+4y=ax^2+bx+4 passes through (2,0)(2,0) and (4,0)(4,0). Find aa.

Hint and answer

Concept to use

Completing the square for vertex.

Hint

Use the factored form a(x−2)(x−4)a(x-2)(x-4).

Answer

1/2

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