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How many x intercepts are in y = x 2+ 4x + 5

User Ridge
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1 Answer

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Answer:

0 x-intercepts

Explanation:

In order to find the x-intercepts ,you need to solve this equation

x² + 4x + 5 = 0 for x and see how many solutions you get:

x² + 4x + 5 = 0

∆ = 4² - 4×1×5 = 16 - 20 = -4

since ∆ < 0 Then the equation has no solution then our Function has none x-intercepts.

check the graph of the function f(x) = x² + 4x + 5 (below)

How many x intercepts are in y = x 2+ 4x + 5-example-1
User Yochi
by
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