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MRY Ch 4.4 Practice (42 pts)

Last updated about 2 years ago
28 questions
Answer the following questions
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)

1

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)

1

What is the y-intercept of the graph?

1

What is the slope shown by the graph?

1

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

1

What is the inequality shown by the graph?

1

What is the y-intercept of the inequality


1

What is the slope of the inequality


1

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


4

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.

1

What is the y-intercept of the linear inequality
(Hint: Remember y = mx+b )

1

What is the slope of the linear inequality
(Remember y = mx+b )

4

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.

5

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.

5

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.

1

What is the y-intercept shown by the graph?

1

What is the slope shown by the graph?

1

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

1

What is the inequality shown by the graph?

1

What is the inequality shown by the graph?


1

What is the inequality shown by the graph?

1

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)

1

Let x represent the Large Kits and y represent the Small Kits.
Choose the inequality that represents the situation.

1

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.

1

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?

1

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.

1

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

1

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.