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You can create printable tests and worksheets from these Grade 12 Complex Numbers questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor. $x^2+16$
1. $sqrt16i$
2. $(x-4i)(x+4i)$
3. $+-sqrt4$
4. $(x+2i)(x-2i)$
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor. $x^2+12$
1. $2sqrt3i$
2. $(x-4i)(x+4i)$
3. $+-sqrt12$
4. $(x+2sqrt3i)(x-2sqrt3i)$
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor. $x^2+64$
1. $(x+8i)(x-8i)$
2. $(x-8)(x+8)$
3. $+-sqrt64$
4. $(x+64i)(x-64i)$
a + bi is an example of                   of complex numbers.
1. trig form
2. polar form
3. rectangular form
4. none of the above
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Find the roots of $x^2+12$.
1. $2sqrt3$
2. $+-2sqrt3i$
3. $+-sqrt12$
4. $(x+2sqrt3i)(x-2sqrt3i)$
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor. $x^2+100$
1. $sqrt100i$
2. $(x-10)(x+10)$
3. $+-sqrt100$
4. $(x+10i)(x-10i)$
Grade 12 Complex Numbers CCSS: HSN-CN.A.2
$(4i)^2$
1. $16i$
2. $4$
3. $-16$
4. $8i$
Grade 12 Complex Numbers CCSS: HSN-CN.A.2
$(6+5i)-(-2+i)$
1. $4+4i$
2. $8+4i$
3. $10i$
4. $12i$
Grade 12 Complex Numbers CCSS: HSN-CN.C.9