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Find the number of real number solutions for the equation. x^2+9x+20=0 A.) Can't be determined by graph B.) 1 C.) 2 D.) 0
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Find the number of real number solutions for the equation. x^2+9x+20=0

A.) Can't be determined by graph
B.) 1
C.) 2
D.) 0

User Damiano
by
8.3k points

1 Answer

3 votes
x^2+9x+20 = 0
factorises to (x+5)(x+4)=0
so x = -5 or -4
Therefore answer is C.) 2
User Cmgerber
by
8.3k points
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