|BSM

Questions

1 / 10

Time

Score

Imaginary Unit I

Which term is used to describe numbers like $5i$ ?

Irrational

Purely Imaginary

What is the square root of -9?

$3$

$3i$

Which term represents the imaginary unit?

Rational

$i$

What is the result of i×i?1

1 -1

In the expression $5-9i$ , what is the imaginary part?

$5$

$9i$

In the expression $5-9i$ , what is the real part?

$5$

$9i$

In the expression $4+7i$ what is the real part?

$4$

$7i$

Which type of number is involved in expressions like $2+3i$ ?

Prime

Complex

Which number system involves both real and imaginary parts?

Integer

Complex

In the expression $4+7i$ , what is the imaginary part?

$4$

$7i$

Questions

Time

Score

Imaginary Unit I

Which term is used to describe numbers like $5i$ ?

Irrational

Purely Imaginary

What is the square root of -9?

$3$

$3i$

Which term represents the imaginary unit?

Rational

$i$

What is the result of i×i?1

1

-1

In the expression $5-9i$ , what is the imaginary part?

$5$

$9i$

In the expression $5-9i$ , what is the real part?

$5$

$9i$

In the expression $4+7i$ what is the real part?

$4$

$7i$

Which type of number is involved in expressions like $2+3i$ ?

Prime

Complex

Which number system involves both real and imaginary parts?

Integer

Complex

In the expression $4+7i$ , what is the imaginary part?

$4$

$7i$

Incorrect

Great!

Questions

Time

Score

Imaginary Unit I

Which term is used to describe numbers like ﻿5i5i5i﻿ ?

Irrational

Purely Imaginary

What is the square root of -9?

﻿333﻿

﻿3i3i3i﻿

Which term represents the imaginary unit?

Rational

﻿iii﻿

What is the result of i×i?1

1

-1

In the expression ﻿5−9i5-9i5−9i﻿ , what is the imaginary part?

﻿555﻿

﻿9i9i9i﻿

In the expression ﻿5−9i5-9i5−9i﻿ , what is the real part?

﻿555﻿

﻿9i9i9i﻿

In the expression ﻿4+7i4+7i4+7i﻿ what is the real part?

﻿444﻿

﻿7i7i7i﻿

Which type of number is involved in expressions like ﻿2+3i2+3i2+3i﻿ ?

Prime

Complex

Which number system involves both real and imaginary parts?

Integer

Complex

In the expression ﻿4+7i4+7i4+7i﻿ , what is the imaginary part?

﻿444﻿

﻿7i7i7i﻿

Incorrect

Great!

Which term is used to describe numbers like $5i$ ?

$3$

$3i$

$i$

In the expression $5-9i$ , what is the imaginary part?

$5$

$9i$

In the expression $5-9i$ , what is the real part?

$5$

$9i$

In the expression $4+7i$ what is the real part?

$4$

$7i$

Which type of number is involved in expressions like $2+3i$ ?

In the expression $4+7i$ , what is the imaginary part?

$4$

$7i$