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Mathematics 7 Online
OpenStudy (anonymous):

use factoring to find the zeros of y=x^2+11x+28

OpenStudy (amistre64):

factoring tends to be more art than science

OpenStudy (amistre64):

+28, we have like signs +11 those signs are positive (x+ )(x+ ) factors of 28 that add to 11? 1+28, nope 2+14; nope 4+7 .... looks fine to me (x+4)(x+7)

OpenStudy (anonymous):

thankyou!

OpenStudy (amistre64):

yw, hope it was useful

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