Pl guys i need a fast answer
1.choose the equation that represents a line that passes through p...
Mathematics, 31.07.2019 00:20 peytonbrien2002
Pl guys i need a fast answer
1.choose the equation that represents a line that passes through points (β3, 2) and (2, 1).
5x + y = β13
5x β y = 17
x β 5y = β13
x + 5y = 7
2.a computer manufacturer built a new facility for assembling computers. there were construction and new equipment costs. the company paid for these costs and made combined profits of $80 million after 4 years, as shown in the graph:
there is a graph of a line with years on the x axis and profits in millions on the y axis that passes through 1, negative 100 and 4, 80.
which equation most closely represents the line depicted in the graph?
f(x) = 60x β 160
f(x) = β60x + 160
f(x) = β80x + 4
f(x) = 80x β 4
3.your friend has $80 when he goes to the fair. he spends $4 to enter the fair and $12 on food. rides at the fair cost $1.25 per ride. which function can be used to determine how much money he has left over after x rides?
f(x) = 1.25x + 64
f(x) = β16x + $80
f(x) = β1.25x + 64
f(x) = β1.25x β 64
4. a school system is reducing the amount of dumpster loads of trash removed each week. in week 5, there were 45 dumpster loads of waste removed. in week 10, there were 30 dumpster loads removed. assume that the reduction in the amount of waste each week is linear. write an equation in function form to show the amount of trash removed each week.
f(x) = β3x + 45
f(x) = 3x + 45
f(x) = β3x + 60
f(x) = 3x + 60
5.choose the equation that represents a line that passes through points (β3, 2) and (2,
5x + y = β13
5x β y = 17
x β 5y = β13
x + 5y = 7
6.what is the equation of a line that contains the points (5, 0) and (5, β2)?
x = 5
x = 0
y = 0
y = 5
6.shayla is tracking the weight of the smallest puppy in a litter. use the table to write a linear function that models the puppy's growth.
week weight in ounces
0 3
1 6
2 9
3 12
y = 3x + 3
y equals one third times x plus 3
y = 3x + 12
y equals one third times x plus 12
7. write the equation of a line that goes through point (0, β8) and has a slope of 0.
x = β8
x = 0
y = β8
y = 0
8. nia has $19.50 to ride the subway around new york. it will cost her $0.75 every time she rides. identify the dependent variable and independent variable in this scenario.
the number of rides and the total cost are both independent variables.
the number of rides and the total cost are both dependent variables.
the number of rides is the independent variable, and the total cost is the dependent variable.
the total cost is the independent variable, and the number of rides is the dependent variable.
9. choose the equation that represents the line that passes through the point (2, 6) and has a slope of β5.
y = β5x + 2
y = β5x β 6
y = β5x β 4
y = β5x + 16
10.a student is running a 10-kilometer race. he runs 1 kilometer every 4 minutes. select the function that describes his distance from the finish line after x minutes.
f of x equals one fourth x plus 4
f of x equals negative one tenth x plus 4
f of x equals one tenth x plus 10
f of x equals negative one fourth x plus 10
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