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Biblioteka

8.3.12 Practice

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Posljednje ažuriranje almost 2 years ago
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Pitanje 1
1.

Select all of the ordered pairs (x,y) that are solutions to the linear equation 2x + 3y = 6.

Pitanje 2
2.

The graph shows a linear relationship between x and y.

x represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books.

Find and interpret the x-intercept of this line.

Pitanje 3
3.

The graph shows a linear relationship between x and y.

x represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books.

Find and interpret the y-intercept of this line.

Pitanje 4
4.

The graph shows a linear relationship between x and y.

x represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books.

Find and interpret (WITH UNITS) the slope of this line.

Pitanje 5
5.

The graph shows a linear relationship between x and y.

x represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books.

Find an equation for this line.

Pitanje 6
6.

The graph shows a linear relationship between x and y.

x represents the number of comic books Priya buys at the store, all at the same price, and y represents the amount of money (in dollars) Priya has after buying the comic books.

If Priya buys 3 comics, how much money will she have remaining?

Pitanje 7
7.

Match each equation with its three solutions.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

(-3, -7), (0,-4), (-1, -5)

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y = 1.5x

(\frac{1}{2},\frac{1}{2}),(\frac{1}{4},\frac{3}{4}), (\frac{1}{8}, \frac{7}{8})

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2x +3y = 7

(1,1\frac{1}{3}),(-1,3),(0,2\frac{1}{3})

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x - y = 4

(14,21),(2,3),(8,12)

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3x = \frac{y}{2}

(0,5, 3),(1,6),(1.2, 7.2)

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y = -x +1

Pitanje 8
8.

A container of fuel dispenses fuel at the rate of 5 gallons per second. If represents the amount of fuel remaining in the container, and x represents the number of seconds that have passed since the fuel started dispensing, then x and y satisfy a linear relationship.

In the coordinate plane, will the slope of the line representing that relationship have a positive, negative, or zero slope?

Pitanje 9
9.

A sandwich store charges a delivery fee to bring lunch to an office building. One office pays $33 for 4 turkey sandwiches. Another office pays $61 for 8 turkey sandwiches.

How much does each turkey sandwich add to the cost of the delivery?