Writing Equations of Lines with Slope and Y-Intercept

What is the general form of the equation of a line?

• y = b - mx

• y = m + bx

• y = mx - b

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If the slope of a line is 2 and the y-intercept is 5, what is the equation of the line?

• y = 5x + 2

• y = 5x - 2

• y = 2x - 5

• y = 2x + 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Given a slope of -1/2 and a y-intercept of 7, what is the equation of the line?

• y = -1/2x + 7

• y = 1/2x + 7

• y = -1/2x - 7

• y = 1/2x - 7

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of a line with a slope of 1/2 and a y-intercept of -4?

• y = 1/2x - 4

• y = 1/2x + 4

• y = -1/2x - 4

• y = -1/2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If the slope is 3/5 and the y-intercept is 0, what is the equation of the line?

• y = 3/5x

• y = 3/5x + 0

• y = 3/5x - 0

• y = 0x + 3/5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What happens to the equation of a line if the y-intercept is zero?

• The y-intercept term is dropped

• The equation becomes a constant

• The slope term is dropped

• The equation becomes undefined

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

For a line with a slope of 0 and a y-intercept of -6, what is the equation?

• y = 0x + 6

• y = -6

• y = 0x - 6

• y = 6

Tags

CCSS.8.EE.B.5

What does a slope of 0 indicate about the line?

• The line is undefined

• The line is horizontal

• The line is vertical

• The line is diagonal

If a line has a slope of 0 and a y-intercept of -6, where is the line located?

• Vertical at x = 6

• Horizontal at y = -6

• Horizontal at y = 6

• Vertical at x = -6

What is the main goal when writing the equation of a line?

• To find the y-intercept only

• To determine the slope only

• To solve for x

• To find the relationship between x and y