Solve the system by graphing. Enter your answer in (x,y) format without any spaces.
1 point
1
Question 3
3.
Solve using substitution. When entering your answer, use parentheses (x,y) and do not put any spaces.
y = 5x -2
x + y = 4
1 point
1
Question 4
4.
In the systems of equation below, I can eliminate x by adding because the coefficients are opposites.
4x + 8y = 20
−4x + 2y = −30
1 point
1
Question 5
5.
Which of the statements below describes how you could solve this system if you were using elimination?
5x + y = 9
10x − 7y = −18
1 point
1
Question 6
6.
Solve using elimination:
1 point
1
Question 7
7.
Solve using elimination. When entering your answer, use parentheses (x,y) and do not put any spaces.
x + 2y = 1
4x - 2y = 14
1 point
1
Question 8
8.
Solve using elimination. When entering your answer, use parentheses (x,y) and do not put any spaces.
1 point
1
Question 9
9.
Solve using elimination. When entering your answer, use parentheses (x,y) and do not put any spaces.
1 point
1
Question 10
10.
Solve the system of equations using the method of your choice.
1 point
1
Question 11
11.
Solve the system of equations using the method of your choice.
8x + 4y = 12
y = -2x + 2
1 point
1
Question 12
12.
Which system of equations is represented in the diagram above? Select the 2 equations you would use (remember m is the cost of each milkshake and b is the cost of each burger).
1 point
1
Question 13
13.
Shreya and Rob are selling cheesecakes for a school fundraiser. Customers can buy French silk cheesecakes (f) and apple cheesecakes (a). Shreya sold 12 French silk cheesecakes and 3 apple cheesecakes for a total of $93. Rob sold 6 French silk cheesecakes and 6 apple cheesecakes for a total of $96. What is the cost each of one French silk cheesecake (f) and one apple cheesecake (a)?
Enter your answer in parentheses (f,a) without any spaces.
