Graphing Lines in Slope Intercept Form

What is the y-intercept in the following equation:  y=-4x-5

• -4

• -4x

• 5

• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope in the equation:  y=4x+3

• 3

• 4x

• 4

• x

Tags

CCSS.8.EE.B.5

When graphing, what do you do after you graph your y-intercept?

• Find slope and start with your run(left or right) then to rise (up or down)

• Find slope and start with your rise (up or down) then to run (left or right)

• Draw a vertical line

• Draw a horizontal line

y -intercept is where the line ______________.

• begins

• crosses the x-axis 

• crosses the y-axis 

• crosses each other

Answer explanation

The slope is 3 and the

y-intercept is (0,-4)

Plot the y intercept then use the slope to go up 3 and right 1 from the point plotted.

This point now is (1, -1)

Tags

MAFS.912.A-APR.2.2

What do you do second to graph a line from slope-intercept form?

• Use b to make the y-intercept

• Use m to make the y-intercept

• Use b as the slope to make the next point

• Use m as the slope to make the next point

When you graph a line using slope-intercept form (y=mx+b), you graph the ___________ first and then use the ___________ to find the second point.

• origin; slope

• slope; y-intercept

• y-intercept; x-intercept

• y-intercept; slope

What do you do first to graph a line from slope-intercept form?

• Use b to make the y-intercept

• Use m to make the y-intercept

• Use b as the slope to make the next point

• Use m as the slope to make the next point

Which could be the graph of the equation y = 1/3x - 2?

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Which graph best represents the equation y = -3x + 4?

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