Linear Functions Graphing

Which of the following is the correct slope-intercept form of a linear function?

• y = mx * b

• y = mx - b

• y = mx + b

• y = mx / b

What is the slope of a line that passes through the points (2, 5) and (4, 9)?

• 2

• 4

• 6

• 3

If a linear function has a slope of 3 and a y-intercept of 2, what is the equation of the function?

• y = 2x + 3

• y = 3x + 2

• y = 3x - 2

• y = 2x - 3

Which of the following is the correct point-slope form of a linear function?

• y - y1 = m(x - x1)

• y = mx + b

• y = kx + b

• y = ax^2 + bx + c

What is the y-intercept of the line given by the equation y = 2x + 4?

• -4

• 6

• 4

• 2

If a linear function has a slope of -1/2 and passes through the point (3, 7), what is the equation of the function?

• y = 1/2x + 8

• y = -1/2x + 8

• y = -2x + 7

• y = -1/2x + 6

Which of the following is the correct standard form of a linear function?

• y = mx - b

• y = ax + b

• y = mx + c

• y = mx + b

What is the slope of a line that is parallel to the line y = 3x - 2?

• -3

• 3

• 2

• 4

If a linear function has an x-intercept of 4 and a y-intercept of 2, what is the equation of the function?

• y = -4x + 2

• y = 2x + 4

• y = 4x - 2

• y = -1/2x + 2

Which of the following is the correct slope formula for a linear function?

• (y2 - y1) * (x2 - x1)

• (y1 - y2) * (x1 - x2)

• (y1 - y2) / (x1 - x2)

• (y2 - y1) / (x2 - x1)