Replace the y with 0, and then solve for x.
The factors of 30 are 1,2,3,5,6,10,15,30
we notice that 3+6=9
Answer:
20 hundreds is equal to 2 thousands
9514 1404 393
Answer:
(1) -5 and -3
Step-by-step explanation:
Descarte's rule of signs tells you the lack of sign changes among the coefficients means there are <em>no positive real roots</em>. That eliminates all answer choices except the first one.
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If you want to go to the trouble, you can factor the equation:
y = (x +3)(x +5)
These factors are zero when x = -5 and x = -3.