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Mathematics 14 Online
OpenStudy (anonymous):

Find the x-intercepts of the graph of y = x 2 − 9x + 18

OpenStudy (anonymous):

x intercepts happen at y = 0

OpenStudy (anonymous):

so x^2 - 9x +18 = 0

OpenStudy (anonymous):

use the quadratic equation to solve for the values of x

OpenStudy (anonymous):

a = 1 b=-9 c=18

OpenStudy (anonymous):

the intercepts will be 6 and 3

OpenStudy (anonymous):

can you explain the quadratic equation?

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