Linear equations and inequalities

9000018006

Level:

Assuming negative integer

x

, solve the following inequality:

x - 2 > 1 - x - 8

x \in {- 2; - 1}

x \in {- 3; - 2; - 1}

x \in {- 3; - 2}

x \in {- 1}

9000018010

Level:

The salary of Peter has been increased by

$ 2 400

. The salary of Jane increased by

3 %

and this increase has been bigger than the increase of the Peter's salary. In the following list identify a possible old salary of Jane.

$ 81 000

$ 80 000

$ 9 000

$ 8 000

9000018103

Level:

Solve the following inequality assuming positive integer

x

1 \frac{1}{3} \leq - \frac{x - 4}{2}

x \in {1}

x \in {0; 1}

x \in (0; \frac{4}{3}]

x \in \emptyset

9000018104

Level:

Find the maximal integer which solves the following inequality.

1 - 3 x > 3 (4 - x) + 2 x

- 6

- 5

- 3

- 2

9000018106

Level:

Find the set of all the positive integers

x

for which the expression

\frac{3 x - 7}{14}

is smaller than

\frac{7 - 2 x}{7}

{1; 2}

{1; 2; 3; 4}

{1; 2; 3}

{1}

9100018007

Level:

Graph the solution of the following inequality.

- x < 3

9100018008

Level:

Graph the solution of the following inequality.

\frac{x}{2} \geq 3

9100018009

Level:

Graph the solution of the following inequality.

0 \geq 3 x

9100018108

Level:

Graph the solution of the following inequality.

\frac{x - 5}{2} \leq 2 (x + 1)

9100018109

Level:

Solve the following inequality and choose the diagram that shows the correct solution set marked in red on the number line.

1 - \frac{x - 4}{5} \geq \frac{4 x}{5}

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Linear equations and inequalities

9000018006

9000018010

9000018103

9000018104

9000018106

9100018007

9100018008

9100018009

9100018108

9100018109

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