Graphing Lines with Slope and Y-Intercept

What is the main objective of this lesson?

• To learn how to use a table to graph equations

• To memorize different graphing methods

• To identify the slope and y-intercept and use them to graph equations

• To understand the concept of rise over run

In the slope-intercept form y = mx + b, what does 'b' represent?

• The y-intercept

• The coefficient of x

• The x-intercept

• The slope of the line

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the first step in graphing an equation using slope-intercept form?

• Identifying the slope and y-intercept

• Plotting the x-intercept

• Using a table to find points

• Drawing the line

How do you determine the direction of movement when using the slope to generate new points?

• By the length of the line

• By the x-intercept

• By the value of the y-intercept

• By the sign of the slope

Tags

CCSS.8.EE.B.5

In the equation y = 1/3x + 4, what is the y-intercept?

• (0, 1/3)

• (1, 4)

• (4, 0)

• (0, 4)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If the slope is negative, in which direction do you move from the y-intercept?

• Down and to the right

• Up and to the left

• Down and to the left

• Up and to the right

Tags

CCSS.8.EE.B.5

What is the slope in the equation y = -5/2x + 1?

• -5/2

• 1

• 5/2

• -1

Tags

CCSS.8.EE.B.5

How do you write a whole number as a fraction for slope purposes?

• By subtracting 1 from it

• By putting it over 1

• By dividing it by 2

• By adding 1 to it

Tags

CCSS.8.EE.B.5

In the equation y = x - 5, what is the slope?

• 0

• 1

• -5

• 5

Tags

CCSS.8.EE.B.5

What is the y-intercept in the equation y = -3x?

• (0, -3)

• (0, 0)

• (3, 0)

• (0, 1)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3