Complex Numbers and Quadratic Equations-Argand Diagram (BITSAT Mathematics): Questions 1 - 5 of 5

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Question number: 1

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

If z =3 , then points on 1+4z lie on a –

Choices

Choice (4) Response

a.

Parabola

b.

Circle

c.

Line

d.

All of the above

Question number: 2

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

If z is a complex number, then 3z1 =3 z2 represents –

Choices

Choice (4) Response

a.

yaxis

b.

xaxis

c.

A circle

d.

A line parallel to yaxis

Question number: 3

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

If z lies on z =1 , then 2z lies on –

Choices

Choice (4) Response

a.

Parabola

b.

Ellipse

c.

Line

d.

Circle

Question number: 4

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

The locus of point z satisfying Re(z2)=0 is –

Choices

Choice (4) Response

a.

Straight line

b.

A circle

c.

An ellipse

d.

A hyperbola

Question number: 5

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

The locus of point z satisfying Re(1z)=k , where k is a real number, is –

Choices

Choice (4) Response

a.

Hyperbola

b.

Point of straight lines

c.

Circle

d.

All of the above

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