Final answer:
The provided schoolwork question asks for a statement about a system of equations graph, which isn't available, but we can address the related test question. The correct answer to the related practice test question is E, stating that A, B, and C are all linear equations.
Step-by-step explanation:
The question asks us to determine the true statement about a system of equations represented by a graph. Unfortunately, the graph is not provided here. However, we can answer the provided practice test question regarding linear equations instead.
Linear equations have the general form y = mx + b, where m is the slope and b is the y-intercept. Let's evaluate the given equations:
- A. y = -3x: This equation is linear with a negative slope, fitting the form y = mx + b where m = -3 and b = 0.
- B. y = 0.2 +0.74x: This is also a linear equation with a positive slope, fitting the y = mx + b where m = 0.74 and b = 0.2.
- C. y = -9.4 - 2x: Likewise, this equation is linear with a negative slope.
Thus, the correct answer to the practice test question 1 would be option E, which states that A, B, and C are all linear equations.