Estimating Solutions of Systems

Question 1

The system of equations and y = 2x – 1 is shown on the graph below. According to the graph, what is the solution to this system of equations?

Revolt · Accepted Answer

(2, 3)

Question 2

The system of equations and is shown on the graph below. What is a reasonable estimate for the solution?

Revolt · Accepted Answer

(1.1, –1.9)

Question 3

The equations , , , and are shown on the graph below. Which system of equations has a solution of approximately (–0.6, 0.8)?

Revolt · Accepted Answer

and

Question 4

The system of equations and is shown on the graph below. What is a reasonable estimate for the solution?

Revolt · Accepted Answer

(1 and three-fourths, 2 and one-half)

Question 5

The equations , , , and are shown on the graph below. Which is the approximate solution for the system of equations and ?

Revolt · Accepted Answer

(–0.3, 2.1)

Question 6

The equations , , , and are shown on the graph below. Which system of equations has a solution of approximately (0.6, –0.8)?

Revolt · Accepted Answer

and

Question 7

The equations , , , and are shown on the graph below. Which is the approximate solution for the system of equations and ?

Revolt · Accepted Answer

(–2.3, 0.5)

Question 8

The equations , , , and are shown on the graph below. Which system of equations has a solution of approximately (–0.4, 1.1)?

Revolt · Accepted Answer

and

Question 9

Which system of equations shows a solution of (–3.5, 4)?

Revolt · Accepted Answer

On a coordinate plane, 2 lines intersect at (negative 3.5, 4).

Question 10

The system of equations y = –2x + 1 and y = x + 5 is shown on the graph below. Which statement is true about the solution to the system of equations?

Revolt · Accepted Answer

The x-value is between –1 and –2, and the y-value is between 3 and 4.

Estimating Solutions of Systems Answers