11. What are the roots of the equation x2-3x-10 = 0 ?
A. {2,5}
B.{-2, 5)
C. {-10,1}
D. {10,-1}

12. Which of the following is equivalent to x2 +4x -7 = 0?

A. (x +1)(x-7) = 0
B. (x +4)(x-3) =5
C. (x+5)(x-3) = 6
D.(x+1)(x+3)=10


HELP po​


Sagot :

11. B

12. D

︎ ︎

hope it helps ! ꒰ ˶ᵔ ᵕ ᵔ˶ ꒱

Answer:

11.B

12.B

Step-by-step explanation:

11.×2-3×-10=0-2,5

12.×2+4×7=0(×+4)(×-3)=5

hope it helps

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