Algebra 1 Semester 1 Practice Exam - Attempt 1

Consider the system of equations below.

5x + 2y = −3

8x − 6y = −14

Which of the following is a graph of this system of equations?

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Which of the following shows the domain and range for the relation in the graph?

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The ordered pairs listed below are points on a line.

(1, 5), (3, 11), (5, 17)

Which of the following equations best describes the line containing all three points?

• y = −2x + 7

• y = 6x − 1

• y = −5x + 10

• y = 3x + 2

What is the equation of the line that passes through point (3, −1) and has a slope of 2?

• A.y = 2x − 4

• B.y = 2x − 1

• C.y = 2x − 7

• D.y = 2x + 5

What is the equation of the line that passes through points (3, −3) and (−3, −3)?

• A.y = 3

• B.y = −3

• C.x = −3

• D.x = y

A graph is shown on the grid below. Which of the following equations best represents the graph?

• A.y = 3x + 2

• B.y = −3x − 2

• C.y = 3x − 2

• D.y = −3x + 2

Which equation represents a line that is parallel to the line y = −4x + 5?

• A. y = −1/4 x + 5

• B.y = −4x + 3

• C. y = 1/4x + 3

• D.y = 4x + 5

The equation for the line shown in the graph below is y = 2x + b in slope-intercept form. What is the value of b?

If y varies directly as x, and y = 24 when x = 4, what is the value of y when x = 9?

What is the equation in slope-intercept form of the line that passes through the point (5, 0) and is parallel to the line represented by y = 1.2x + 3.8?

• A.y = 1.2x − 6

• B.y = −1.2x + 6

• C.y = 1.2x + 5

• D.y = −1.2x − 5