Grade 9 Mathematics Quiz

Find the slope of the graph of the line passing through the points (2, 3) and (4, 7).

• 10

• 1

• 5

• 2

Write the equation of the line with a slope of 3 and a y-intercept of 5 in slope-intercept form.

• y = 3x - 5

• y = 5x - 3

• y = 5x + 3

• y = 3x + 5

Calculate the slope of the line passing through the points (-1, 4) and (3, 10).

• 5

• 7

• 3

• 1

Identify the slope-intercept form of the equation 2x - 3y = 6.

• y = (3/2)x - 6

• y = (2/3)x + 3

• y = (3/2)x + 6

• y = (2/3)x - 2

Graph the linear equation y = 2x - 4.

• Graph the linear equation y = 2x + 4 by plotting the y-intercept at 4 and using the slope of 2 to find another point on the line.

• Graph the linear equation y = 4x - 2 by plotting the y-intercept at -2 and using the slope of 4 to find another point on the line.

• Graph the linear equation y = 2x - 4 by plotting the y-intercept at -4 and using the slope of 2 to find another point on the line.

• Graph the linear equation y = -2x - 4 by plotting the y-intercept at -4 and using the slope of -2 to find another point on the line.

Write the equation of the line with a slope of -1/2 and passing through the point (3, 5) in slope-intercept form.

• y = 1/2x + 4

• y = 2x + 3

• y = -1/2x + 7/2

• y = -3x + 5

Calculate the slope of the line passing through the points (5, 8) and (7, 12).

• 2

• 5

• 10

• 3

Identify the slope-intercept form of the equation 4x + 3y = 12.

• y = 4/3x + 4

• y = 4x - 3

• y = -4/3x + 4

• y = -3/4x + 4