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Common Core Standard HSN-CN.C.7 Questions

Solve quadratic equations with real coefficients that have complex solutions.

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Grade 11 Complex Numbers CCSS: HSN-CN.C.7
Use the FOIL method to solve this problem: $(10-15i)(10+15i)=$. What is the last (L) term?
1. $-225i$
2. $-225i^2$
3. $225i^2$
4. $225i$
Grade 11 Complex Numbers CCSS: HSN-CN.C.7
Use the FOIL method to solve this problem$(10-15i)(10+15i) =$. What is the outer (O) term?
1. $150i$
2. $-150i$
3. $100$
4. $225$
Grade 11 Complex Numbers CCSS: HSN-CN.C.7
Use the FOIL Method to solve this problem $(10-15i)(10+15i)=$. What is the first(F) term.
1. $150i$
2. $-150i$
3. $100$
4. $-100$
Grade 11 Complex Numbers CCSS: HSN-CN.C.7
After using FOIL method for $(10-15i)(10+15i)=$, the middle term result will be what?
1. $150i$
2. $300i$
3. $-300i$
4. $0$
Grade 11 Complex Numbers CCSS: HSN-CN.C.7
Grade 11 Complex Numbers CCSS: HSN-CN.C.7
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