Quiz about Inequalities in Two Variables Review

Question 1

This is a graph of the inequality 2x+4y<15 Select all points that are solutions:

Accepted Answer

(0,0)

Accepted Answer

(2,1)

Answer

(8,0)

Answer

(4,4)

Question 2

The graph of the inequality x+y>6 is missing the shaded region. Where should this graph be shaded?

Accepted Answer

Above

Answer

Below

Answer

No shading

Question 3

When does the graph of an inequality have a dotted line?

Accepted Answer

When the sign is $$>$$ or $$<$$

Answer

When the sign is $$\ge$$ or $$\le$$

Answer

When the sign is $$=$$

Answer

That can't happen.

Question 4

Question 4.

Accepted Answer

Lars works for the expected number of days but doesn't earn the expected number of money

Answer

Lars meets both of his expectations

Answer

Lars earns the expected amount of money but doesn't work for the expected number of days

Answer

Lars doesn't meet either of his expectations

Question 5

Question 5.

Accepted Answer

Astrid stays within her budget, but she doesn't buy the expected number of fruits

Answer

Astrid meets both of her expectations

Answer

Astrid buys the expected number of fruits, but she does beyond her budget

Answer

Astrid doesn't meet either of her expectations

Question 6

Lars meets both of his expectations

Accepted Answer

Lars works for the expected number of days but doesn't earn the expected number of money

Answer

Lars meets both of his expectations

Answer

Lars earns the expected amount of money but doesn't work for the expected number of days

Answer

Lars doesn't meet either of his expectations

Question 7

When does the graph of an inequality have a solid line?

Accepted Answer

When the sign is $$\ge$$ or $$\le$$

Answer

When the sign is $$>$$ or $$<$$

Answer

That can't happen.

Question 8

Which graph represents the inequality

$$2x+3y\ge12\ $$

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 9

Is the point shown on the graph a solution to the inequality?

Accepted Answer

No, the line is dotted!

Answer

Yes, it's on the line!

Question 10

Which inequality matches the picture shown?

Accepted Answer

y < -1/2 x + 5

Answer

y < -1/2 x + 5

Answer

y > -1/2 x + 5

Answer

y > -1/2 x + 5

Question 11

Which inequality matches the picture shown?

Accepted Answer

y > x

Answer

y < x

Answer

y > x

Answer

y < x

Question 12

Which ordered pair IS a solution of the inequality shown in the graph?

Accepted Answer

(-1, -1)

Answer

(1, 0)

Answer

(2, -2)

Answer

(-1, 3)

Question 13

Choose the correct inequality for this graph.

Accepted Answer

$$y<2x-3$$

Answer

$$y>2x-3$$

Answer

$$y\ge2x-3$$

Answer

$$y\le2x-3$$

Question 14

Choose the correct inequality for this graph.

Accepted Answer

$$y\le-1$$

Answer

$$y<-1$$

Answer

$$x<-1$$

Answer

$$x\le-1$$

Question 15

Choose the correct inequality for this graph.

Accepted Answer

$$x>-2$$

Answer

$$y>-2$$

Answer

$$y\ge-2$$

Answer

$$x\ge-2$$

Question 16

What type of line is used with the following symbols, < and >?

Accepted Answer

solid

Answer

dashed or dotted

Question 17

Which point below is NOT part of the solution set?

Accepted Answer

(-10, -10)

Answer

(0, 0)

Answer

(-1, 5)

Answer

(5, 20)

Question 18

Which point below is NOT part of the solution set?

Accepted Answer

(-1, -3)

Answer

(0, 0)

Answer

(5, 1)

Answer

(20, -5)

Inequalities in Two Variables Review

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