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Laabri

MRY Ch 4.4 Practice (42 pts)

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Last updated over 2 years ago
28 Nsɛmmisa

Answer the following questions

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Is the ordered pair (0,1) a solution to the inequality y > x + 1 ?

(Hint: Sub in for x and y and see if it yields a true statement or not)

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Is the ordered pair (3,5) a solution to the inequality y > x + 1 ?

(Hint: Sub in for x and y and see if it yields a true statement or not)

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

What is the y-intercept of the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

What is the slope shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What symbol should be used to write the inequality of the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

What is the inequality shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

What is the y-intercept of the inequality

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

What is the slope of the inequality

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

What type of line should be used to graph the inequality ?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Graph the linear inequality

To Graph: Label axes, add numbers to each axis to show scale, add arrows to lines, line is dashed or solid, and shade.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

What is the y-intercept of the linear inequality

(Hint: Remember y = mx+b )

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

What is the slope of the linear inequality

(Remember y = mx+b )

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Graph the linear inequality

(Hint: Remember y = mx+b and if no 'b' then b=0 )

To Graph: Label axes, add numbers to each axis to show scale, add arrows to lines, line is dashed or solid, and shade.

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Graph the linear inequality

To Graph: Label axes, add numbers to each axis to show scale, add arrows to lines, line is dashed or solid, and shade.

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Graph the linear inequality

To Graph: Label axes, add numbers to each axis to show scale, add arrows to lines, line is dashed or solid, and shade.

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

What is the y-intercept shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

What is the slope shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
18.

Since the line in the graph is solid and that the shading is below, what symbol should be used in the inequality ?

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

What is the inequality shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

What is the inequality shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

What is the inequality shown by the graph?

Asemmisa {{asɛmmisaAhyɛnsode}}
22.

A school is spending exactly $600 when purchasing large kits and small kits. This is described as: $600 = cost of large kits + cost of small kits.

If the school could spend up to and including $600 but no more than $600, what symbol should replace the equal sign in the equation above?

(hint: it may help to plug in amounts for the kits to figure out the answer)

Asemmisa {{asɛmmisaAhyɛnsode}}
23.

Let x represent the Large Kits and y represent the Small Kits.

Choose the inequality that represents the situation.

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24.

Suppose the school decides to buy 20 of the large kits, How many of the small kits can the school now afford?. The school still can spend no more than $600. Let x represent the Large Kits and y represent the Small Kits.

Asemmisa {{asɛmmisaAhyɛnsode}}
25.

See the word problem below.

If the person and the boxes in elevator weighed exactly 2500 lbs, the following equation would represent the situation:

2500 = weight in elevator

Since the elevator can hold a maximum of 2500 lbs, what symbol should replace the equal sign in the equation above?

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

Which inequality represents the number of boxes that the elevator can hold in one trip if the person is not on the elevator. Let x represent the number of 25 lb boxes and let y represent the number of 60 pound boxes.

Asemmisa {{asɛmmisaAhyɛnsode}}
27.

To graph the inequality in question 26, you would first have to

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28.

Which inequality represents the number of boxes that the elevator can hold in one trip if the person is on the elevator. Let x represent the number of 25 lb boxes and let y represent the number of 60 pound boxes.