Chap. 3 (Graphing Linear Equations and systems of equations)

Multiple Choice

What is the slope of a line that passes through point A (4, -6) an B (2, 8)?

• 7

• -1

• -7

• 1

Multiple Choice

Graph y = 2/3 x - 3

• A

• B

• C

• D

Multiple Choice

Multiple Choice

How many solutions?

• Infinitely many solutions

• 1 solution

• 2 solutions

• No solution

Multiple Choice

What is the solution to this system of equations?

• (-4, 1)

• (4, -1)

• (-1, 4)

• (-4, -1)

Multiple Choice

• (-5, 1)

• (1, 4)

• (5, -1)

• (-1, 4)

Multiple Choice

• (7, -15)

• (1, -5)

• (5, 10)

• (1, 2)

Multiple Choice

What's the equation of this graph?

• x = 3

• y = -3

• x = -3

• y = 3

Multiple Choice

Find constant rate of change (slope)

• 3

• 20

• -3

• 0

Multiple Choice

Write the equation of the line in slope-intercept form with slope m = 4 through the point (-2, 5).

• y = 4x - 13

• y = 4x + 13

• y = 4x -3

• y = 4x + 3

Multiple Choice

• (2, 2)

• (-2, -2)

• (-2, 2)

• (2, -2)

Multiple Choice

Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?

Multiple Choice

Solve the system of equations.

• (10, 3)

• (6, 3)

• (15, 3)

• Infinitely many solutions

Multiple Choice

Is (3, 8) a solution of the equations in the picture?

• yes

• no

Multiple Choice

Which graph has x-intercept of 3 and y-intercept of -1?

Multiple Choice

What is the slope of this graph?

• -2/3

• 3/2

• 0

• -3/2

Multiple Choice

What's the slope of the graph?

• undefined

• -1

• 0

• 1

Multiple Choice

At what rate (slope) did the rain fall?

• 1/2 cm per hour

• 2 cm per hour

• 1/4 cm per hour

• 2 hour per cm