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Unit 9 Lesson 1 CW

1) Consider the graph of the equation y = rrx² + bx + c, when a + 0. If a is multiplied by 3, what is tnie of the graph of the resulting parabola?    j

1)    The vertex is 3 units above the vertex of the original parabola.

2)    The new parabola is 3 units to the right of the original parabola.

3)    The new parabola is wider than the original parabola.

Q The new parabola is narrower than the original parabola.

y = x²+2x+3 y = 3x²+2x+3

b = 2 c — 3

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