DUM30172 Prior Knowledge 1.3

Calculate the gradient of the line with points (2, 4) and (6, 10).

• 5

• 3.5

• 1.5

• 2.5

Solve for the y-intercept in the equation y = 2x + 7.

• 5

• 2

• 7

• 10

Apply the slope-intercept form to find the equation of a line with slope 4 and y-intercept 2.

• y = 2x + 4

• y = 4x + 2

• y = 2x - 4

• y = 4x - 2

Find the y-intercept of the line with equation y = -3x + 6.

• 0

• 6

• -6

• 3

Find the y-intercept of the line with equation y = 0.5x + 3.

• 0.5

• 5

• 3

• -3

Calculate the gradient of the line passing through (1, 3) and (5, 7).

• 3

• 1

• 2

• 4

The equation y = mx + c is called the intercept form of a line.

• True

• False

The gradient of the line y = 4 is 4.

• True

• False

Determine the gradient of the line given by the equation 2x−y=6

• 1

• 2

• 6

• -1

Find the y-intercept of the line given by the equation 3x + 4y = 12.

• 3

• 4

• 8

• 12