Free Printable PRE TEST DBM10013

1.

1. Express the equation as a single fraction in its simplest form.

\frac{1}{5m}-\frac{5-2v}{15mv}

a)

$\frac{v-1}{3mv}$

b)

$\frac{v+1}{3mv}$

c)

$\frac{v-5}{15mv}$

d)

$\frac{v+5}{15mv}$

2.

Factorise and simplify

\frac{4e-12ef}{2e}

a)

$2\left(1-3f\right)$

b)

$2\left(1-3ef\right)$

c)

$\frac{e-12ef}{e}$

d)

$\frac{2e-6ef}{2e}$

3.

Construct partial fraction for

\frac{2x}{x^2-x-6}

a)

$\frac{A}{x+2}+\frac{B}{x-3}$

b)

$\frac{A}{x-2}+\frac{B}{x-3}$

c)

$\frac{A}{x-2}+\frac{B}{x+3}$

d)

$\frac{A}{x+2}-\frac{B}{x-3}$

4.

Simplify

\left(6i\right)^3

a)

$-216i$

b)

$216i$

c)

$-216i^2$

d)

$-126$

5.

Simplify

4i\left(-2-8i\right)

a)

$8-32i$

b)

$-8i-32$

c)

$-32+8i$

d)

$32-8i$

6.

Given

z=-3+4i

. Find

\left|z\right|

a)

$5$

b)

$-5$

c)

$\sqrt{7}$

d)

$7$

7.

a)

b)

c)

d)

8.

Find Determinant for matrix

a)

$6$

b)

$12$

c)

$-12$

d)

$-6$

9.

a)

$i-j+k$

b)

$-i-j+k$

c)

$i+5j+5k$

d)

$i-5j+5k$

10.

a)

b)

c)

d)

PRE TEST DBM10013

Total questions: 10

Worksheet time: 27mins

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