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March 5, 2015

March 5, 2015

Posted by **CheezyReezy** on Thursday, June 9, 2011 at 12:46pm.

can someone help me with intercepts.

find the intercepts of

f(x) = x^2 - 6x - 2

can someone show how to work this problem.

thanks.

- Math - x-intercepts and y-intercepts -
**Henry**, Friday, June 10, 2011 at 8:35pmF(x)= Y = X^2 - 6X - 2.

X-Intercepts = The solution = The points where the graph crosses the X-axis.

Use the Quadratic formula to solve the

Eq:

X = (6 +- sqrt((-6)^2+4*1*2)) / 2,

X = (6 +- sqrt(36+8)) / 2,

X = (6 +- 6.632) / 2,

X = (6 + 6.632) / 2 = 6.316.

X = (6 - 6.632) / 2 = -0.-0.316.

Solution set: X = 6.316, and -0.316 =

X-Intercepts

In the given Eq, substitute 0 for X:

Y = 0^2 - 6*0 - 2 = -2 = Y-Int.

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