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Mathematics 8 Online

OpenStudy (anonymous):

Solve for x. x2 + 4x - 21 = 0 A. -3, -7 B. -3, 7 C. 3, -7 D. 3, 7

13 years ago

OpenStudy (abb0t):

the product of two numbers = -21 but whose sum = 4. Those two numbers are your answer.

13 years ago

OpenStudy (anonymous):

i got -7, 3 so I would go with C.

13 years ago

OpenStudy (anonymous):

13 years ago

OpenStudy (abb0t):

hm....

13 years ago

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