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Home > GC > Chapter 7 > Lesson 7.1.1 > Problem 7-10

7-10.

By the Equal Values Method,

x = 6

Substitute 6 for x in one of the original equations.
Solve for y, which will give you the intersection of the two lines.

By the Equal Values Method,

By the Quadratic Formula,

A negative square root is not possible, so there are no solutions. This means the graphs do not intersect.