Algebra 2 Unit 2

Which of the points below represents the y-intercept of the line?

(0,5)

Elliott created the table of coordinate pairs for the linear equation y = 5x - 15. x 0, 3, 5, 8 y -15, 0, 10, 15

(8, 15)

Vincent is calculating values for a direct variation which has a constant of variation of k = 1/3. Which pair of values in the table below did Vincent calculate incorrectly? x 3, 6, 9, 12 y 1, 2, 6, 4

(9, 6)

Estimate the slope of the green line shown below.

0

Which of the equations below is NOT a Linear Equation? 2x + 5y = 10 2xy = 7 y + x - 7 = 0 y = 2x -3

2xy = 7

Does the table below represent a direct variation relationship? If yes, what is the constant of variation? x 5, 7, 9 y 20, 28, 36

Yes, k = 4

Find the slope of the line that contains the two points (3, 4) and (6, 1)?

m = -1

Find the slope of the line shown below.

m = -3

Which of the slopes below represents a line that is perpendicular to the line y = 1/3x + 4?

m = -3

Which of the slopes below represents a line that is parallel to the line y = 5x - 2?

m = 5

The value of y varies directly with x, where y = 50 when x = 40. Find the value of x when y is 10.

x = 8

Find an equation for a line that is perpendicular to the line y = 5x - 5 and intersects at the y-intercept.

y = -1/5x - 5

Find an equation in slope-intercept form for the line containing the following points. (1, -3) and (3, -5)

y = -x - 2

Which of the linear equations below is in slope-intercept form? y = 2x + 1 x + 2y = 0 3 - 2y = x -2x + y = 1

y = 2x + 1

Which of the equations below describes a line that has a slope of 4 and passes through the point (0, -1)

y = 4x - 1

Write the equation in slope-intercept form for the line that contains the point (5, -3) and is parallel to the line y = 4x + 2.

y = 4x - 23

The value of y varies directly with x, where y = 30 when x = 6. Find the value of y when x is 10.

y = 50

which of the equations below represents a line with slope of 1 and a y-intercept of -4?

y = x - 4