Rewriting Expressions Using i (Grades 11-12)
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Rewriting Expressions Using i
1.
Simplify the complex number radical expression [math]sqrt(-1000)[/math].
- [math]10isqrt10[/math]
- [math]-10isqrt10[/math]
- [math]10sqrt10[/math]
- [math]-10sqrt10[/math]
2.
Simplify the complex number radical expression [math]sqrt {:-1600[/math].
- [math]-40[/math]
- [math]40[/math]
- [math]-40i[/math]
- [math]40i[/math]
3.
Simplify the complex number radical expression [math]sqrt(-160)[/math].
- [math]-4isqrt10[/math]
- [math]-4sqrt10[/math]
- [math]4isqrt10[/math]
- [math]4sqrt10[/math]
4.
What is [math]sqrt(-81) ?[/math]
- [math]81+i[/math]
- [math]81i[/math]
- [math]9i[/math]
- [math]-9i[/math]
5.
What is [math]sqrt(-4) ?[/math]
- [math]2i[/math]
- [math]4i[/math]
- [math]4+i[/math]
- [math]16i[/math]
6.
Simplify completely. [math]sqrt(-200)[/math]
- [math]10sqrt2[/math]
- [math]-10isqrt2[/math]
- [math]-10sqrt2[/math]
- [math]10isqrt2[/math]
7.
Simplify completely. [math]sqrt(-169)[/math]
- [math]-isqrt13[/math]
- [math]-13i[/math]
- [math]13i[/math]
- [math]+-13[/math]
8.
Which of the following is the correct simplified form of the expression [math]sqrt(-9) + sqrt(4) ?[/math]
- [math]-7i[/math]
- [math]2 + 3i[/math]
- [math]-3i + 2[/math]
- [math]2 - 3i[/math]
9.
What is [math]sqrt 25 + sqrt(-25) ?[/math]
- [math]5i-5[/math]
- [math]25+5i[/math]
- [math]25i[/math]
- [math]5+5i[/math]
10.
Which of the following is the correct simplified form of the expression [math]-sqrt(-4) - sqrt(9) ?[/math]
- [math]-5i[/math]
- [math]-3-2i[/math]
- [math]3-2i[/math]
- [math]2i-3[/math]
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