## Parabola A can be represented using the equation (x + 3)2 = y, while line B can be represented using the equation y = mx + 9. Isabel claims

Question

Parabola A can be represented using the equation (x + 3)2 = y, while line B can be represented using the equation y = mx + 9. Isabel claims one solution to the system of two equations must always be the vertex of parabola A. Which best describes the reasonableness of her claim? Isabel is correct because the y-intercept of line B is (0, 9) and the value of y when x = 0 in parabola A is 9. Isabel is correct because the y-intercept of line B is (9, 0) and the value of x when y = 0 in parabola A is 9. Isabel is incorrect because the point of intersection between line B and parabola A that can be determined is the y-intercept of the equations, not the vertex. Isabel is incorrect because the point of intersection between line B and parabola A that can be determined is the x-intercept of the equations, not the vertex.

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6 months 2021-07-23T09:09:14+00:00 2 Answers 11 views 0

## Answers ( )

The answer is C – Isabel is incorrect because the point of intersection between line B and parabola A that can be determined is the y-intercept of the equations, not the vertex.

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