Solve the system of equations by graphing. 1PT CORRECT LINE, 1 PT CORRECT LINE, 1 PT CORRECT SOLUTION.
2 points
2
Question 5
5.
Solve the systems of equations.
Y equals two x minus twelve
Two x plus five y equals negative twenty-four
Box your answer.
1 point
1
Question 6
6.
The graph shows the cost of installing a vinyl privacy fence. The company A charges a flat installation fee plus a cost per linear foot of fencing. Company B has a constant rate.
1 point
1
Question 7
7.
What does the solution represent in the context of this situation?
1 point
1
Question 8
8.
Edith is using substitution to solve the system of equations below. What should the first step be? Choose the correct first step from the choices below.
2 points
2
Question 9
9.
Solve this system of equations:
Negative six x minus five y equals 0
Negative two x plus y equals negative 16
Box your answer.
1 point
1
Question 10
10.
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step(to eliminate the y variable).
1 point
1
Question 11
11.
Graph the equation
For the next section. Answer the questions based on the information below. For equations DO NOT USE SPACES.
WHAT IS THE COST?!
The school that Jacob goes to is selling tickets to a play. On the first day of ticket sales the
school sold 7 adult tickets and 6 student tickets for a total of $81 Let a be the number of adult tickets and s the number of student tickets.
1 point
1
Question 12
12.
Write an equation in a and s for the first day of ticket sales.
1 point
1
Question 13
13.
The school took in $159 on the second day by selling 13 adult tickets and 12 student tickets.
4 points
4
Question 14
14.
Use the equations you wrote in the previous problems to find the price of an adult ticket and the price of a student ticket.