The ratio of guitar players to drummers who tried out for a band is 35:21. If there are 140 guitar players, how many drummers are there?
label required
6) Daquan makes a weekly salary of $450, plus $10 for every hour that he works. If his goal this week is to make at least \$600, write an inequality can be used to determine how many hours he will need to work.
Write an equation for the linear function f satisfying the conditions below. Then, graph y=f(x).
f(−5)=−2 and f(1)=3 Write the equation y=f(x).
y=65x+613
(Type an equation. Use integers or fractions for any numbers in the equation.)
Use the graphing tool to graph the linear equation.
\begin{tabular}{c|l}
\hline System A & The system has no solution. \\
\begin{tabular}{c}
−x−4y=−8 \\
x+4y=8
\end{tabular} & \begin{tabular}{l}
(x,y)=(□,□)
\end{tabular} \\
The system has infinitely many solutions. \\
They must satisfy the following equation: \\
y=□
\end{tabular}
arcepts of the Iraph the
ntercept:
itercept: 9. Consider the graph in lem 12 . Which points represent ordered pairs that are solutions of the equation 4x+3y=−24 ? Select all that apply. (3pts)
A. the x-intercept of the graph
B. the y-intercept of the graph
C. the origin
D. points that lie close to the line
□ E. points that lie on the line
Solve each problem.
1) At a camival it costs $91.59 for 71 tickets. Write an equation that can be used to express the relationship between the total cost (t) and the number of tickets( n ) you buy.
There is an unknown number of students at the beginning of lunch. Then ...
- Each student has 2 friends come sit with them, tripling the number of students.
- When the bell rings, most of the students leave the lunchroom. One-fifth (1/5) of the students stay to finish their lunches.
- Ten (10) students join the students who are still in the lunchroom.
- The total number of people in the lunchroom now is 22. Create an equation that correctly represents the story above and can be used to find the number of students in the lunchroom at the beginning of lunch. The equation is □
The number of students who were in the lunchroom at the beginning of the story is □
4. Classify the following pairs of equations given as parallel, perpendicular, or neither on the basis of their respected slopes.
a)
y=32x−8y=47x+8
b)
y=47x+9y=−74x−1
c) −2x−5y=2010x+9y=−9
a boat going with the current travels 110 miles over 5 hours. When it was traveling back against the current it took II hours.
rate of boat in still water
rate of current.
One month Susan rented 3 movies and 2 video games for a total of $18. The next month she rented 8 movies and 4 video games for a total of $41. Find the rental cost for each movie and each video game. Rental cost for each movie: $□□
Rental cost for each video game: $□
Date: Forms of lines
Exit Ticket
1) [3 marks] Write the following in the form ax+by=c where a,b, and c are integers.
y=65x+3
2) [2 marks] Write the following in the form y=ax+b.
4x+3y=−1
3) (3 marks/ Write the following in the form ax+by=c where a,b, and c are integers.
y−5=−4(x+3)
4) [2 marks ] Explain why the gradient of the line with the form ax+by=c is −ba.
Victaria gots prid por wook and x equal the numbar of hours sha works par wook. Givan that the graph shows the sot of all solutions, what is the mathomatical oquation that explains the function?
(1 paint)
y=100x+20xy=100zy=100+20xy=20x
What is the slope of a line that is perpendicular to the line whose equation is Ax+By+C=0,A=0 and B=0 ? The slope of the line perpendicular to the line Ax+By+C=0 is □
Supply \& Demand
In supply (and demand) problems, y is the number of items the supplier will produce (or the public will buy) if the price of the item is x. For a particular product, the supply equation is and the demand equation is
y=5x+320y=−4x+545 What is the intersection point of these two lines?
□
Enter answer as an ordered pair (don't forget the parentheses).
What is the selling price when supply and demand are in equilibrium? price = \\square$ /item What is the amount of items in the market when supply and demand are in equilibrium? number of items =□
AnE = - Question
The table represents some points on the graph of a linear function f. Which function represents
\begin{tabular}{|c|c|c|c|c|}
\hlinex & -3 & 2 & 5 & 11 \\
\hline 4(1) & -30 & 0 & 76 & 24 \\
\hline
\end{tabular} Answer Altempt 1 out of 2
A. f(x)=26(x−2) B. f(x)=−26(2x−1)
C. f(x)=13(x−2) D. f(x)=−2(26x−1)
Submil Answer
Find the slope of the line that passes through (7,6) and (5,3).
Simplify your answer and write it as a proper fraction, improper fraction, or intes
□
In Submit
Alina bought an ice cream cone for $3. Her 4-ounce scope of ice cream is melting at a rate of 0.5 ounces per minute. Write an equation to represent the amount of ice cream left after × minutes.
2. The graph of a linear function 9 passes through the points (−7,−4) and (7,6). What are the slope and y-intercept of the graph of g ? 4. The slope is 57 and the y-intercept is -1 .
B. The slope is 57 and the y-intercept is 1 .
C. The slope is 75 and the y-intercept is -1 .
D. The slope is 75 and the y-intercept is 1 . 3. Which ordered pair is in the solution set of y≤53x−6 ?
A. (5,−4)
B. (−2,−5)
C. (9,1)
D. (−8,3)
Write an equation for the linear function and use it to answer the given question.
The cost of renting a car is a flat $28, plus an additional 7 cents per mile that you drive. How far can you drive for $96 ?
A. r=28+0.07m;971 miles
B. r=28m+0.07;3 miles
C. r=28−0.07m;1,771 miles
D. r=28m−0.07;3 miles
10.
The graph of a linear function is shown in the
УФ
10
coordinate plane.
What is the
rate of change
-10-8-6-4-2
8-
6-
4.
2
-6
-8
10
2 4 6 8 10 x
in y per unit
change in x for
this linear
function?
A -5
B -2.5
C -2
D -0.4
8 During the summer, Brendan works on his uncle's dairy farm. One of Brendan's many chores is to load bales of hay onto a wagon and haul them from the field into the barn.
\begin{tabular}{|l|l|}
\hlinex (wagon loads) & y (bales) \\
\hline 1 & 4 \\
\hline 2 & 8 \\
\hline 3 & 12 \\
\hline 5 & 20 \\
\hline
\end{tabular} There is a proportional relationship between the number of wagonloads, x, and the number of bales of hay Brendan can haul, y. Write an equation for the relationship between x and y.
5x+5y=3 1 of 2: Determine the missing coordinate in the ordered pair (−5,?) so that it will satisfy the given equation. How to enter your answer (opens in new window) 2 Points
(−5,□
REVIOUS ANSWERS
ASK YOUR TEACHER
PRACTICE ANOTHER A car is traveling at 112km/h when the driver sees an accident 80 m ahead and slams on the brakes. What minimum constant deceleration is required to stop the car in time to avoid a pileup? (Round your answer to two decimal places.)
Unit 6 Day 10 6.3: Writing Systems from Situations 3. A car rental company charges $30 per day for a compact car and $45 per day for a SUV. Last week, the company rented out a total of 15 cars and made a total of $600 in revenue. Write a system of equations that can be used to find c, the amount of compact cars and s, the amount of SUVs the company rented out last. week. Equation 1: □
Equation 2: □
5. A coffee shop sells small cups of coffee for $2.50 each and large cups of coffee for $3.75 each. The coffee shop sells a total of 150 cups of coffee fir a total revenue of $500. Write a system of equations that can be used to find I, the number of large cups of coffee, and s, the number of small cups of coffee sold. Equation 1: □
Equation 2: □
A taxi service charges passengers a $2 flat fee plus $0.75 per mile. Which equation shows the relationship between n, the number of miles that a passenger travels, and t, the total cost of the ride?
(A) t=0.75+2n
(B) t=0.75n
(C) t=0.75n+2n
(D) t=0.75n+2
The line of best fit is y^=142.2x−11,156. This line shows the comparison of house size in comparison to the cost of the house. If the size of the house, 1,800 square feet, gives the cost of $250,000, what is the y^ value given the line of best fit? (1 point)
\250,000$244,804$267,116\2,855,489,760
The equation of line a is y=3−8x+89. Line b is perpendicular to a. What is the slope of line b ? Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Line q passes through points (3,1) and (10,10). Line r is parallel to line q. What is the slope of line r ? Simplify your answer and write it as a proper fraction, improper fraction, or integer.
he equation of line c is y=81x+10. Line d is perpendicular to line c and passes through −1,1). What is the equation of line d ?
rite the equation in slope-intercept form. Write the numbers in the equation as simplified oper fractions, improper fractions, or integers.
Write the letter for the correct answer in the blank at the right of each question.
For Questions 1-7, solve each inequality. 1. x−7>3 A {x∣x>10}
B {x∣x>−4}
C {x∣x<10}
D {x∣x<−4} 1. 2. 3≥t+1 F {t∣t≤4} G {t∣t≥2}H{t∣t≤2}J{t∣t≥4} 3. 1≥4−y A {y∣∣y≥−41}
B {y∣y≥−4}
C {y∣y≤4}
D {y∣y≤3}
3. 2. 4. 5m<−25 F {m∣m<125}G{m∣m<−125}H{m∣m>−5}J{m∣m<−5} 4.
16. Which inequality has the solution set shown in the graph? F y<1
G y≤1Hy>1
J y≥1 16.
17. 18. Determine which of the ordered pairs are a part of the solution set for the inequality graphed at the right.
F (2,1) G (1,3)J(−2,−3) A y<−x+2
B y>−x+2
A y<−x+2
B y>−x+2 17. Which inequality has the solution set shown in the graph? C y<−x+1 D y>−x+1 18. 19. Which inequality has a solution set of {x∣x>3 or x<−3} ? A ∣2x∣>6
B ∣2x∣<6
C ∣2x∣≥6
D ∣2x∣≤6 19.
Lauren graphs the system of equations to determine its solution.
y=2xy=−x+6 What is the correct solution?
Enter your answer by filling in the boxes.
□□
Francis graphs the system of equations to determine its solution.
3x+2y=123x−y=3 What is the correct solution?
Enter your answer by filling in the boxes.
Choose the point-slope form of the equation below that represents the line that passes through the points (−3,2) and (2,1). (2 points)
1) y+3=−5(x−2)
2) y−2=−5(x+3)
3) y+3=−51(x−2)
4) y−2=−51(x+3)
The following system of linear equations is solved by graphing them on the coordinate plane.
y=2x+2y=−53x−1 Which ordered pair is the best approximation of the solution to the system?
(−1,−1)(0,−1)(−1,0)(11 )