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Mathematics 6 Online
OpenStudy (anonymous):

Which of the graphs below correctly solves for x in the equation −x2 − 6x + 5 = 2x + 5?

OpenStudy (anonymous):

OpenStudy (anonymous):

is my choice correct?

OpenStudy (solomonzelman):

I will work it out, to check.

OpenStudy (solomonzelman):

−x²− 6x + 5 = 2x + 5 y = −x² − 6x + 5 y=2x+5 y = −x² − 6x + 5 y=2x+5 y = −x² − 6x ` -9 + 9` + 5 y=2x+5 y = −(x² + 6x + 9) + 9 + 5 y=2x+5 y = −(x+3)² + 14 y=2x+5 upside down U parabola and a line. You are correct,

OpenStudy (solomonzelman):

I excluded A and B because of the y-intercept of the line, and D because it is opening up.

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