Estimate the solution of the system of equations from the graphical representation.
Enter the coordinate point with NO SPACES.
Solve the system by graphing.
Work carefully and precisely to ensure that your graph reveals the correct solution.
Graph 1: y=-x-7
Graph 2: y=2x+2
4 points
4
Question 2
2.
Solve the system by Graphing here.
Click the graph tab.
Choose the correct graph type.
Click on the graph background to add a point. Add two points to create a graph. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Linearexpand_more
4 points
4
Question 3
3.
What is the solution to the system of equations that you graphed above? Write your answer with NO SPACES
Systems of Equations: Types of Solutions
4 points
4
Question 4
4.
How many solutions?
4 points
4
Question 5
5.
How many solutions?
4 points
4
Question 6
6.
How many solutions?
4 points
4
Question 7
7.
How many solutions?
y=2x+1
y=2x-6
4 points
4
Question 8
8.
How many solutions?
8x + 4y = 12
y = -2x + 3
4 points
4
Question 9
9.
How many solutions?
y=11x+2
y=-3x+12
Systems of Equations by Substitution: Read Directions Carefully! Not all problems required you to solve the problem
4 points
4
Question 10
10.
For the given system, tell which equation is best to solve for a variable in the first step of the substitution method. Explain your choice.
Equation A: -5x-3y=4
Equation B: x-3y=10
I would choose Equation _______ to solve for a variable because _______ .
2 points
2
Question 11
11.
Write the equation created using the substitution method of solving systems of equations.
Do NOT simplify.
Do NOT enter any spaces between symbols or numbers.
2 points
2
Question 12
12.
Solve the system of equations by substitution.
Enter the coordinate point with NO SPACES
2 points
2
Question 13
13.
Write the equation created using the substitution method of solving systems of equations.
Do NOT simplify.
Do NOT enter any spaces between symbols or numbers.