Can someone please help me???
1 answer:
Answer: Choice C) Britney is correct. Gabrielle multiplied -4 and -6 to get -24 but should have gotten 24
Both students used the FOIL rule correctly (FOIL stands for "first, outer, inner, last" to help remember how to multiply out two binomials), except of course Gabrielle's mistake getting -24. The FOIL rule is basically 2 applications of the distributive property. You can also use the box method to visually organize the terms. See the attached image for the box method.
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to find the area, just multiply base by height (look at ilustration/attachmtns)