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Nataly_w [17]
3 years ago
5

A function f(x) has x-intercepts of –3 and –5. What is the constant term in the function? f(x) = x2 + 8x +

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0

Answer:

15

Step-by-step explanation:

f(x) = x2 + 8x +  15

iVinArrow [24]3 years ago
5 0

Answer:

15

Step-by-step explanation:

since the x-intercepts are x = - 3 and x = - 5 then the factors are

(x + 3) and (x + 5), hence

f(x) = a(x + 3)(x + 5) ← a is a multiplier

let a = 1 then

f(x) = (x + 3)(x + 5) ← expand factors

f(x) = x² + 8x + 15 ← 15 is the constant term


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