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Given: g(x) = 4 - (x + 3)^2
find the x-intercept​

User Mosess
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2 Answers

14 votes
it is -5 and -1 hope this helps
User KEYSAN
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6 votes
X intercept is when the function (y) = 0.

0 = 4 - (x+3)^2

(x+3)(x+3) = 4

x^2 + 6x + 9 = 4

x^2 + 6x + 5 = 0

To factor, we find what multiplies to 5 and adds to 6. In this case, it’s 5 and 1.

(x+5)(x+1) = 0

x values of the intercepts are -5 and -1.
The coordinates are (-5,0) and (-1,0).
User Jeff Argast
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3.6k points